Re: Perl with Ajax issue
On 12 Aug 2019, at 19:45, Matt Zand wrote: use CGI; Do read [CGI: CGI.pm has been removed from the Perl core][1] Should I install Perl on the server or does it come with Apache package. Apache HTTPD does not include a Perl distribution although some third-party bundles include both Perl and Apache HTTPD. You would also need to configure Apache so it will run the Perl program through the perl runtime. I am getting no response. If you are getting no response at all, then your problem is unlikely to be related to a lack of Perl. That would cause it to return an error response. [1]: https://metacpan.org/pod/distribution/CGI/lib/CGI.pod#CGI.pm-HAS-BEEN-REMOVED-FROM-THE-PERL-CORE
Re: cgi development environment
On 18 Sep 2012, at 13:34, Chris Stinemetz chrisstinem...@gmail.com wrote: I am very interested in cgi scripting. I have only used php for web development in the past. CGI or Perl? For a long time CGI with Perl was a popular combination so there are a lot of documents which conflate the two. It is possible to do CGI programming in PHP (which you already know), but PSGI[1] is the flavour du jour for server side web programming with Perl. CGI is still a plausible option though. It has the benefit of simplicity (but isn't the most efficient option). [1] http://plackperl.org/ -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: Logout from Apache
Naji, Khalid wrote: How can I logout via a perl-script from Apache? That depends on the authentication method used. Usually it just comes down to Stop sending your authentication data or token with each request. -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: Login code
Brent Clark wrote: Would anyone have any example code of sessions for logins. CGI::Session has some example code: http://search.cpan.org/~markstos/CGI-Session-4.40/lib/CGI/Session.pm If you want to use the Catalyst framework, their tutorial has a section on handling logins with sessions: http://search.cpan.org/~hkclark/Catalyst-Manual-5.7016/lib/Catalyst/Manual/Tutorial/Authentication.pod -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: embedding a CGI script in a HTML page?
Adam Jimerson wrote: Correct me if I am wrong but these template systems seem to only handle output from the CGI script, which would be nice if my scripts only handled output but they also need user input 1. Browser sends input data to server 2. Server sends input data to program using CGI interface 3. Program does something (possibly with the data) and generates output data 4. Program passes output data to template 5. Template places output data into some HTML (or whatever) 6. Template passes HTML combined with output data to the program 7. Program outputs HTML combined with output data to server using the CGI interface 8. Server sends output HTML back to the browser Templates are used because it is easier to edit HTML in a template then it is to edit Perl that generates HTML. -- David Dorward -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: embedding a CGI script in a HTML page?
Adam Jimerson wrote: No I am letting CGI.pm generate the HTML for me, I figured that it would be the easiest way to do it. Most people find that templates are simpler for most purposes (since they can then just write HTML and say Insert data here rather then describing every element in Perl). - From what I see in the tutorial, http://template-toolkit.org/docs/tutorial/Web.html#section_Dynamic_Content_Generation_Via_CGI_Script, the Templete Toolkit only outputs information from the script, but I need it to handle input as well You use Perl to handle the input. TT is just for making it easy to write the output. I've just remembered this simpler example: http://github.com/dorward/simple-ajax-demo/tree/master The script itself is at http://github.com/dorward/simple-ajax-demo/tree/master/webroot/demo.pl Line 32 gets user input, in exactly the same way that CGI.pm would do (I'm using CGI::Fast for this, which is similar). Line 33 uses that input to change what request gets sent to the database on ... Line 42 (which) gets a list of messages from the database (much like a guestbook would). Line 49 wraps it up in a hash. Ignore lines 51 to 56, these output JSON instead of HTML. Line 59 gives that hash to a template. http://github.com/dorward/simple-ajax-demo/tree/master/templates/html.tt is that template. Lines 15 to 21 of that template loop over the data and output HTML. The rest of the template is plain, simple HTML which is easy to edit (and line 6 pulls a stylesheet in). -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: embedding a CGI script in a HTML page?
Adam Jimerson wrote: I'm not trying to put perl code into the page, they way I have it now is I have the page generated by my CGI script inside another page that is using my CSS. I've tried to have my CGI script directly handle my CSS but it didn't work due to its limited support for CSS. So now I'm trying to find a better way to make my CGI script look like the rest of my site, I'm guessing this is what Template Toolkit if I can figure out how to do it, or if my solution is the best. I've going to cover some basics here, so I apologise if its starting too low for you. When a browser requests a URI, the server gets the content of that URI from somewhere and sends it back. It might get it from a file, it might get it from somewhere else. In the case of CGI, it runs a program and returns that instead. You need to edit the Perl program that is being called using CGI so it outputs the HTML that you want. (Including the link to the stylesheet you are using, there is no problem with support for CSS, since when is output is just HTML, that is comes from a program rather than a file isn't relevant). We've no idea what method the program is currently using to determine what HTML is generated, so we can't tell you what needs to be done to edit it. What we can tell you is that using Template-Toolkit is a good approach when it comes to writing this kind of system. When using TT the general approach is to: (1) Gather up all the data you want into a Perl hash (2) Tell TT to process a template using that data TT then goes over the template (which might look something like: http://github.com/dorward/axford/tree/master/root/default.tt (sorry, its got a lot of legacy cruft in it, I'm in the process of cleaning it up) and replaces placeholders with the data (and has things to loop over arrays when you have repeated data). -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: embedding a CGI script in a HTML page?
Adam Jimerson wrote: Not exactly what I was looking for I meant like using an embed or object tags, which I did try it out and using the object tags to embed works with Firefox 3 I don't know if it works for all browsers. iframe, but frames have issues. (And object for HTML is effectively the same as an iframe, but less well supported. The reason why I posted is because I wanted my page to look like this http://vendion.dyndns.org/guestbook.html as opposed to the basic white page when viewed through /cgi-bin/guestbook.cgi. Change the script to use a template that matches the design of the rest of the site. -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: beginners-cgi-unsubscr...@perl.org For additional commands, e-mail: beginners-cgi-h...@perl.org http://learn.perl.org/
Re: cgi and ssh
Dermot Paikkos wrote: Hi, I have a cgi script that needs scp a file from one server to another. Because the script runs under the httpd user With suEXEC you can run that script (and only that script) under an account you create with otherwise very limited privileges. http://httpd.apache.org/docs/1.3/suexec.html -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: sessions
JuneEarth wrote: How to make CGI sessions to be shared among multi-webservers? Thanks. They have to use a shared data store for the session information. Using a database for that would be one approach. -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: Simple Question... I hope
On 3 Jun 2008, at 18:00, [EMAIL PROTECTED] wrote: Ok, I'm uploading a file to a 3rd party. The file is being uploaded to an https site with a cgi extension. The 3rd party finally provided me with a snippet of their Perl code. They see the attempt coming through, but there is no data. I understand how all this works... i think there's just a dot i'm not connecting somewhere. PLEASE HELP... Thanks in advance!!! In my html file I have... font size=4 color=#66File: /fontINPUT TYPE=file NAME=XML_DATA size=47/p INPUT TYPE=submit NAME=submitButtonName VALUE=Submit Query/p I'd suspect you aren't setting the enctype attribute in your form element correctly, but you didn't provide that bit of the code, so it is hard to say. http://www.w3.org/TR/html4/interact/forms.html#h-17.3 You also appear to be using font (which is deprecated) where you should have a label and your HTML is invalid due to a missing start tag for a paragraph. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: .htaccess = .WWWaccess ?
On 5 Dec 2007, at 14:00, Praki wrote: I m working with the CGI for authentication. bash-2.05b$ more .htaccess AuthType Basic AuthName Cisco-CEC AuthUserFile /isaac/www/cgi-bin/pkolanda/authen/.htpasswd AuthGroupFile /dev/null Require valid-user CGI doesn't seem to be involved, you appear to be using an internal feature of Apache to perform HTTP Basic Authentication. While it is possible to perform HTTP Basic Authentication using a CGI script, that isn't what you are doing. You might have better luck on an Apache mailing list. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: first steps with mod_perl
On 9 Oct 2007, at 04:04, Marek wrote: if I understand well, it is extremely difficult to make CGI.pm produce valid html My problem are the many p / tags in the form - and the checked instead of checked=checked in the input-tags. But probably I am not yet understanding CGI.pm? It has been a long while since I tried generating HTML with CGI.pm (these days I lean very strongly towards Template-Toolkit), but I'd be surprised if it produced p / since its either non-Appendix C conformant, nonsensical XHTML (a content-less paragraph) or its, in HTML, Start of paragraph followed by a greater than sign and using features marked as badly supported - avoid. checked rather than checked=checked is fine in HTML (checked=checked is another of the avoid this, its badly supported features). According to the CGI.pm documentation, it defaults to XHTML (so it should be outputting checked=checked) unless you use -dtd to specify an HTML 2.0 or 3.2 DTD. (Why not HTML 4.x I've no idea). You can also use the -no_xhtml pragma to turn off XHTML generation. Turning off XHTML generation is generally a good thing: http:// www.webdevout.net/articles/beware-of-xhtml ... but I'll stick to Template-Toolkit -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: Cant Display the image...
On 6 Sep 2007, at 09:03, jeevs wrote: print img src='file.png'; Where is the alt attribute? yes i am creating a file in cgi directoy .. Are you certain that is the current working directory? If it is for CGI then it could well be set up to try to execute everything in it. but instead of the image just a square box is displayed .. So look at the server logs to see what the server thinks is happening when the image is requested. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: .pdf files in a perl cgi application?
(Please keep this on the mailing list) Mary Anderson wrote: All I do with the files is to display them using the cgi.pm macro image. Then the user can download them. Do you know if this also works with a pdf file? What is a macro image? The phrase does not appear it the CGI.pm documentation ( http://search.cpan.org/~lds/CGI.pm-3.29/CGI.pm ). -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: .pdf files in a perl cgi application?
On Tue, Apr 24, 2007 at 08:58:52AM -0700, Mary Anderson wrote: (Please keep this on the mailing list) No, really. Please keep this on the mailing list. You do that by emailing beginners-cgi@perl.org rather than my private address. Its not a cgi macro image but a cgi macro image. Oh. The img method of the CGI object. Just the image function that expands into the html img tag. That's an HTML issue, not a CGI issue. PDF files aren't images, and aren't supported by browsers as images. It won't accept .pdf files. No, you could try an object element, but PDFs are not nice things to view in a browser window at the best of times, embedded inside a tiny frame in a page - eugh. Is there anyway the user can download a file through the web without opening it? They can configure their client to not use the plugin. You could also look at sending a content disposition of attachment. http://www.ietf.org/rfc/rfc2183.txt -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: .pdf files in a perl cgi application?
Mary Anderson wrote: I have successfully put .gif, .jpg , etc. images into my application. A user has just sent me some .pdf files, which must be read with Acrobat Reader, I assume. No, there are plenty of libraries for dealing with PDFs that are not Acrobat Reader. How would I work these into my application? In what sense? There are plenty of things you /could/ do with PDF files in a CGI app. What do you actually want to do? -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: how to force html4 output
On Thu, Jan 11, 2007 at 02:49:31AM +0100, Oliver Block wrote: Can anyone tell me, if there is a way to force CGI.pm to deliver the html code with a DOCTYPE switch for HTML4 and not XHTML? $ perl use CGI qw/:standard -no_xhtml/; print start_html(); (^D) !DOCTYPE html PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN http://www.w3.org/TR/html4/loose.dtd; html lang=en-USheadtitleUntitled Document/title /headbody Unfortunately it outputs Transitional rather then Strict, and I'm not aware of any way to override that. I've always been unimpressed by the CGI.pm markup generation facilities, I find that its easy to craft something of decent quality by using Template-Toolkit (or HTML::Template, or etc. etc. etc.). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
Re: Getting Content-Type: text/html; charset=ISO-8859-1 strings in my pages :(
On Tue, Jan 09, 2007 at 09:17:40AM +, peter church wrote:
I start the program with this
my $handler = new CGI;
use strict! use warnings! (and you probably want Taint mode on as well).
print $handler-header(text/html);
print $handler-start_html(Configurations);
I'd avoid the CGI.pm functions for generating HTML (except _possible_
form controls). They have some oddities (such as, in the version
installed on the server I just did a test with, generating invalid
XHTML 1.0 Basic).
print $handler-startform(GET,http://${server_name}${script_name};,
text/plain);
text/plain? That isn't an acceptable
value. http://www.w3.org/TR/html4/interact/forms.html#adef-enctype
When I call the script the first time all is well however when I hit the
submit button and the second form loads I get Content-Type: text/html;
charset=ISO-8859-1
strings :(
I haven't a clue why you would get that. You haven't provided enough
of your script.
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Re: About MVC framework
On Wed, Dec 20, 2006 at 04:54:15PM +0800, Wan wrote: I'm looking for a MVC framework that fast in develop and run. and I don't want to build it myself, please recommend someome. http://search.cpan.org/search?query=MVC (Catalyst is probably the most popular option these days. It gets a lot of buzz, at least.) -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: stuffing the document header
On Tue, Dec 05, 2006 at 07:03:46PM -0700, David Bear wrote: Are there other methods to stuff arbitrary html elements into the head section? You could use a template engine (Template-Toolkit is my preference, HTML::Template is also popular, there are other options) instead of generating HTML from Perl. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Store and retrive binary content via perl-cgi
On Thu, Nov 16, 2006 at 04:53:16AM -0800, cool planet wrote: how it would be possible to download and upload images,videos etc from perl cgi into and from mysql database? Yes can i have any helpful url ? http://search.cpan.org/~lds/CGI.pm-3.25/CGI.pm#CREATING_A_FILE_UPLOAD_FIELD http://search.cpan.org/~timb/DBI-1.53/DBI.pm http://search.cpan.org/~danieltwc/DBIx-Class-0.07002/lib/DBIx/Class.pm -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: download java applications
On Fri, Nov 10, 2006 at 03:05:48AM -0800, cool planet wrote: How , it is possible to download java applications (jad/jar) via perl - cgi ? It is no different from downloading any other resource. can i see few examples ? http://search.cpan.org/~gaas/libwww-perl-5.805/lib/LWP.pm -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Headers(Location) in Perl??
On Sat, Nov 04, 2006 at 11:12:51PM -, Richard Bagshaw wrote: This may be an obvious question but I am new to perl and I need some advice. Basically I have written a script that makes some changes to a database when a drop down is selected, after this is done I then want to goto another page in my system. In php I could use the header(Location: www.blah.com) todo this, is there anything like that in perl? You can just print them directly (since CGI expects headers followed by a blank line followed by message), or CGI.pm has a header method. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: CGI Scripts and IE
On Mon, Sep 25, 2006 at 10:53:15AM -0400, Shawn Hinchy wrote:
Everything works fine in Mozilla/Firefox but when I try to use IE 6,
it doesn't seem to call the script when the submit button is pressed,
kind of like it knows it is already loaded and just reloads it from
cache. Is this possible? How do I overcome it?
The script acts differently whether it is called with no parameters or
whether it is called after the submit button press and has parameters
(action=validate, etc).
I'd /guess/ that you have something like button type=submit
name=foo value=bazBar/button, and you are testing for
$q-param('foo') eq 'baz' and falling over IE's problem of sending
Bar as the value.
... but you haven't provided anywhere near enough information about
the problem to say for sure. Real URL? HTML? Perl?
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Re: How to do a static variable that persists from page to page
On Fri, 2006-04-28 at 14:27 -0400, Jay Savage wrote:
POST and GET aren't CGI...at least not exactly. They're part of the
HTML spec, and deal with what happens when you click the submit button
on an HTML form.
No, they are part of HTTP, not HTML.
GET appends the form elements to the url, POST embeds
them in the body of the transmission.
Well. Ish. That describes how form data is transmitted with POST and
GET, but there is a little more to it than that.
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.3
Sorting them out is the job of the server, not the CGI program; CGI.pm could
care less.
The server just dumps the data into the CGI, either as environment
variables or through STDIN. CGI.pm cares very much about how the data is
formatted, it decodes it for you.
Values of GET and POST requests are accessed by your CGI program in
exactly the same way: $q-param{'param'}.
Because CGI.pm is quite smart.
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Anybody remotely interesting is mad, in some way or another.
-- The Greatest Show in the Galaxy
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Re: catching multiple values
select name=legenda size =10 MULTIPLE
and I need to catch all the values of this list but, if I write:
$legenda = $pagina-param(legenda);
the variable $legenda is equal only to the first selected item.
I read the cgi perldoc, but I cannot locate the answer to may question.
FETCHING THE VALUE OR VALUES OF A SINGLE NAMED PARAMETER:
@values = $query-param('foo');
-or-
$value = $query-param('foo');
Pass the param() method a single argument to fetch the value of
the named parameter. If the parameter is multivalued (e.g. from
multiple selections in a scrolling list), you can ask to
receive an array. Otherwise the method will return a single
value.
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Re: redirect - CGI
On Tue, Apr 11, 2006 at 10:05:15AM -0300, Augusto Flavio wrote:
#!/usr/bin/perl
use CGI qw/:standard/;
Seems to be missing a use strict and use warnings here.
print Content-type: text/html\n\n;
You end you HTTP headers here (by printing two new lines).
print redirect('http://www.yahoo.com');
Then you send more HTTP headers here, and your script probably
shouldn't be outputting a content-type header if its redirecting, let
the server handle that side of things.
#!/usr/bin/perl
use strict;
use warnings;
use CGI;
my $cgi = CGI-new();
print $cgi-redirect('http://www.yahoo.com');
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Re: C++ query with mySQL
On Mon, 2006-04-10 at 10:02 +0500, Sara wrote: Calling the categories starting with PHP and Perl didn't cause any issue, but when I called the Categories starting with C_and_C++, nothing was shown because CGI.pm was removing the characters ++. I replaced the All ++ in the mySQL database with ASCII #43#43, so now the categories are in the DB are: C_and_C#43#43/Ad_Management The + character has no special meaning in HTML, so you don't need to represent it with HTML entities unless it doesn't exist in the character encoding you are using (which is unlikely). And now when I am calling the script: http://mysite.com/cgi-bin/index.cgi?cat=C_and_C++/Ad_Management However, the + character _does_ have special meaning in URLs - it represents a space character. You should URL encode the data you pull from the database. The URI::Escape module can help with this. -- David Dorward http://dorward.me.uk/ Anybody remotely interesting is mad, in some way or another. -- The Greatest Show in the Galaxy -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: FTP from my web ssite question
On Mon, Mar 13, 2006 at 11:03:22PM -0500, Lou Hernsen wrote: I would like to offer my guest a way to download fonts and art from my web site... I use perl / cgi's to create my HTML web pages. What is the CGI code that creates the link to allow people to do this? ... print q(Download a href=myfile.zipmy artwork/a); ... Or, if you really want to use FTP: ... print q(Download a href=ftp://example.com/myfile.zip;my artwork/a); ... -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: referer throwing Internal Server Error
On Mon, Mar 13, 2006 at 07:30:45PM -0600, David Gilden wrote: Here is my little script and it throwing a Internal Server Error Try running it from the command line: h1Software error:/h1 preMissing right curly or square bracket at - line 13, at end of line syntax error at - line 13, at EOF Execution of - aborted due to compilation errors. /pre I can not figure out what is wrong here and how secure is this, can it be spoofed easily?? The referer header is optional and very easily spoofed. e.g. (if you have LWP installed) GET -H'Referer: http://another.example.net' http://www.example.com/ -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Preventing unauthorized use of a CGI script
On Mon, 2006-02-06 at 22:28 -0600, David Gilden wrote: Just wanted hear opinions on how effective this is, as way of preventing email relaying stoping unauthorized use my script. This from a script that connects a form page to sendmail my $referer = referer; # what page called the script, check the domain exit if $referer = ($referer !~ /www\.mydomain\.com/i); If somebody from a foreign domain trys to invoke my script it should exit with out a trace. Yes? If you mean X puts up a form on another site with the action pointing towards your form handler, and visitor Y to that site submits that form. Then yes ... providing that X didn't put the form in a directory called www.mycdomain.com. It will also block legitimate users of your site as the referer header is (a) optional (b) sometimes munged in the name of privacy (although in violation of the HTTP spec - probably due to laziness in that overwriting the referer header with junk means that the software doesn't need to recalculate the content-length). If you are trying to stop spammers from using the form handler to send many messages, then no. Forging a referer header is trivial. -- David Dorward http://dorward.me.uk/ Anybody remotely interesting is mad, in some way or another. -- The Greatest Show in the Galaxy -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
RE: CGI - HTML::TEMPLATE - How do it ?
On Thu, 2006-02-02 at 16:36 -0300, Augusto Flavio wrote:
The problem is my array... Look:
@domains = (
{ name = 'domain1.com'},
{ name = 'domain2.com'},
{ name = 'domain3.com'},
);
where i place the subdomain of the value domain2.com ?
{
name = 'domain2.com',
subdomain = 'www.domain2.com',
},
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Re: CGI - Email Forms
On Wed, Dec 07, 2005 at 01:19:59PM -0600, Bill Stephenson wrote: Nor should you allow new lines ... $subject = User entered data with\nBCC: spam victim [EMAIL PROTECTED] I wasn't aware of that problem. I'm guessing that using CGI.pm to parse input helps solve that problem. Is this correct? No. There are plenty of times when you *want* to allow new lines in user input, even just sticking to the rather narrow field of form processors that send email, you often want to allow the user to enter multiple lines of text (in the message body). Using a prewritten, well-tested formmailer (such as NMS) is a good way to solve the problem. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: CGI - Email Forms
On Thu, 2005-12-08 at 12:24 -0600, Bill Stephenson wrote: I tried your example and could not get it to send the email to the spammed address. It just stuck it in the subject line like it should have. I don't have anything special in the script to filter the newline. use Mail::Sendmail; I'm not familiar with Mail::Sendmail, but I'm betting that it replaces the new line with an escape sequence. That has nothing to do with CGI.pm. -- David Dorward http://dorward.me.uk/ Anybody remotely interesting is mad, in some way or another. -- The Greatest Show in the Galaxy -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: CGI - Email Forms
On Tue, Dec 06, 2005 at 02:37:18PM -0600, Bill Stephenson wrote: What tests must be in place in order to keep your perl scripts from being hijacked from spammers? Any help would be greatly appreciated. For forms that send email, you don't want to let the user enter a To, CC, or BCC address. Nor should you allow new lines ... $subject = User entered data with\nBCC: spam victim [EMAIL PROTECTED] -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Filering a file
On Mon, Dec 05, 2005 at 02:20:33PM +0100, Adedayo Adeyeye wrote: How do I write a script to parse through this file and just return the unique names. Ie I want the repetitions ignored. What have you tried? Where are you stuck? (Opening the file? Reading the contents? The actual filtering?). Nothing in your question is CGI related, have you got this working as a command line script but are having trouble converting it to work under CGI? What code have you got so far? -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Need help with making a Modules
On Sat, 2005-11-26 at 19:48 -0800, Lou Hernsen wrote: I am studying modules.. perldoc perlmod (and perlmodlib, and perlmodstyle) Do I need to pass vars into the mod? No, but you might need to pass them into subroutines you define in the module (depending on what you want to do). Do i need to declare vars in the mod? That depends on what you want the module to do. What is our? something like my and local? perldoc -f our Do I need to return vars? The module itself needs to return a true value, this is usually achieved by sticking 1; at the end of it. Your subroutines may or may not return variables depending on what you want them to do. The code I am writing creates part of a web page, so I can print it in the mod or in the main. (I wold prefer to print it in the mod.. if possible) Its possible, but I find that building a data structure that represents the page, then dropping it into a template (using Template-Toolkit of HTML::Template) makes things more manageable. -- David Dorward http://dorward.me.uk/ Anybody remotely interesting is mad, in some way or another. -- The Greatest Show in the Galaxy -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Turn off enctype
On Mon, Nov 07, 2005 at 05:25:27PM -, Dermot Paikkos wrote: I need to turn off the enctype attribute within a form Why? The docs I have read say that application is the default but that doesn't seem to be the case. [EMAIL PROTECTED]:~$ perl -MCGI -e'print CGI-start_form()' form method=post action=/-e enctype=application/x-www-form-urlencoded Looks like the case to me (assuming you mean application/x-www-form-urlencoded as application by itself isn't any form of encoding. If you were talking about the default of the encoding isn't specified, then URL encoding is the default of every browser I've ever tried it with. In fact, its the default type mandated by the HTML spec: http://www.w3.org/TR/html4/interact/forms.html#form-content-type -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: uninitialized variable
On Tue, Nov 01, 2005 at 04:34:45PM +0100, Adedayo Adeyeye wrote:
I'm getting an error when trying to run a script. Part of the scripts is
my $action = param('form_action');
if($action eq 'search');
The error I get is:
Use of uninitialized value in string eq at connect_rodopi.cgi line 14.
Looks more like a warning then an error to me.
How am I supposed to initialize this value?
By assigning something to it, but in this case its possibly better to
test if something was assigned to it.
if (defined $action $action eq 'search') ...
or
if (!defined $action) {
...
} elsif ($action eq 'search') {
...
}
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Re: hardcoded paths
On Fri, Oct 28, 2005 at 10:28:20AM +0100, Dermot Paikkos wrote: I am moving a site from once host to another. There are lots of hardcoded fully qualified paths to the localhost I am pretty sure this isn't good practise but I am not a bit lost as to what are good alternatives. Relative URLs? -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Combined select and input
On Fri, Oct 21, 2005 at 10:28:20AM -0500, Jonathan Mangin wrote: I've seen several pages with select constructs where the first option appears to be input type=text... How is this done?? With relatively complicated client side stuff, certainly not with CGI. news:comp.lang.javascript would probably be the best place to ask. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: XML [AntiVir checked]
On Tue, Oct 11, 2005 at 04:05:53PM +0200, Naji, Khalid wrote: Which Module could you recommend for the use of the XML (XML::Simple, XML::Parser and XML::Writer, XML::DOM, XML::PATH...) ? Which form of transport would you recommend for getting from one place to another? It depends on your specific needs. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: One link to 2 frames
On Wed, Sep 21, 2005 at 08:32:47AM +0200, MNibble wrote: Thx both of you. But i realy think there musst be a possibilty. I have two javascript funktions which i try to get rid of. This started off as a simple case of populating two frames in response to one user action (at least as far as I understood it). Now you've introduced a stack of other elements into the equation, all of which appear to be possible solutions to a larger, undefined problem. If you specified what the actual problem you are trying to solve is, you might get some advice that is more relevent to your situation. As it is, we can only try to answer the questions you ask. (And the answers you've recieved are good ones in the context of the question). The first is this link which fills to frames There are two ways to do this. 1. Linking to a new frameset document 2. JavaScript In most cases the better solution to the problem is eliminating the frames and sending the user a single combined document. ( i would also fork into two processes with a redirect ... maybe that's gonna work ) One request returns one HTTP resource, that's how the web works. You can't return one document, then return another document a little while later, the client won't be expecting it. and a time delay .. something like: if you are not in 30 sek then push It would be up to the browser to determine if they are in or not, and that would require JavaScript. I've no idea why you would want that functionality though. It sounds like a band-aid solution to more serious underlying problem. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
XHTML (was Re: One link to 2 frames)
On Wed, Sep 21, 2005 at 12:11:59PM +0200, MNibble wrote: I won't say you are wrong, since you are right.I (please don't throw stones or bits at me) already use css und div span and stuff like that and if it is called xhtml that's fine for me That isn't what is called XHTML. XHTML 1.0 is HTML 4.01 expressed in XML instead of SGML. In practise, its pointless for 99/100 cases. It has Appendix C which does a bunch of handwaving and allows you to serve XHTML with the text/html content type so that legacy user agents which don't understand XHTML (like Googlebot and Internet Explorer) can cope with it if you follow some additional constraints (of course Appendix C depends on browsers getting some parts of HTML wrong in the first place, and not all browsers do, so its pretty rubbish). XHTML 1.1 is XHTML 1.0 Strict with Ruby added. XHTML 2.0 isn't ready and is pretty much an entirely new language that does a similar job to HTML. In practise XHTML is far more trouble then its worth unless you have a need for mixed namespaces (if you don't know what they are, you don't need them) and should generally be avoided in favour of the better supported HTML 4.01 (the Strict variant). Using CSS for layout, HTML (or XHTML) for semantics, relationships and structure, and JavaScript for behaviour is generally lumped under the umbrella heading of Standards based design. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: One link to 2 frames
On Wed, Sep 21, 2005 at 02:29:15PM +0200, MNibble wrote: The time delay, well yes there is a problem, but i can't fix that on, so this needs to be my workaround. There a lot a data that needs to be processed, and i didn't want the user to wait for that page, so i put a side befor the output and give the data some time to settle. The trick here is that when a request comes in: * Generate a unique ID for the job * Fork it off into the background (or store the details in a database and let a continuing background process handle it) * Return to the user a page explaining that the process will take some time and give them a link (including the job id) to check to see if it is ready yet. Idealy you will provide some time estimate on the issue. You can also use JavaScript or a meta refresh to periodically poll the server without user intervention. This should be in addition to the link as JavaScript is optional, and meta refresh isn't standardised. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: XHTML (was Re: One link to 2 frames)
On Wed, Sep 21, 2005 at 10:18:37AM -0400, Chris Devers wrote: On Wed, 21 Sep 2005, David Dorward wrote: XHTML 1.1 is XHTML 1.0 Strict with Ruby added. Really? Yes. As in the scripting language Ruby? No. As in the Ruby Annotation language. http://www.w3.org/TR/2001/REC-ruby-20010531/ -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Forcing a save as' dialogue box to come up on left click
On Mon, Sep 19, 2005 at 09:36:16AM -0500, Tony Frasketi wrote: Thanks for the response, David. I scanned thru the document to which you refer and from what I can understand it appears 'to me' that the 'Content-Disposition Header Field being described is in the context of email messages. Whoops, beg pardon. http://www.faqs.org/rfcs/rfc2616.html Section 19.5.1 -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: One link to 2 frames
On Tue, Sep 20, 2005 at 02:05:09PM +0200, MNibble wrote: is there a standard solution to this problem To what problem? (Please don't depend on people reading subject lines). There are two: 1. Don't use frames. http://www.allmyfaqs.com/faq.pl?Problems_with_using_frames 2. Link to a new frameset document. Neither really involve Perl or CGI. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Forcing a save as' dialogue box to come up on left click
On Sun, 2005-09-18 at 17:46 -0500, Tony Frasketi wrote: I'm trying to find a way to force a download dialogue box to come up when the user clicks on a link on a web page http://www.faqs.org/rfcs/rfc2183.html -- David Dorward http://dorward.me.uk/ Anybody remotely interesting is mad, in some way or another. -- The Greatest Show in the Galaxy -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: CGI.PM and IF statment....
On Sat, 2005-09-10 at 01:44 -0500, David Gilden wrote:
select name=message type
option value=0Choose type message/option
my $mt = param('message type');
if (length($mt) == 0) {
This should only redirect it someone has not made a 'selection'
what am I missing?
If the user truly has not made a selection, the $mt will be undef, and
your script will throw a warning:
if (!defined $mt) {
# etc
}
However, it is very difficult for the user to fail to make a selection
given a select element. It would usually require them to construct their
own form, or HTTP request by hand. If you want to test if they have
selected the Choose type message option, then you need to check if $mt
contains the data 0.
The length of 0 is 1 (since it is one character long), so (length($mt)
== 0) will always fail.
if (
(!defined $mt) ||
($mt eq '0')
) {
# Etc
}
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Re: $ENV{'HTTP_REFERER'}
On Wed, Aug 24, 2005 at 02:12:56PM -0700, Denzil Kruse wrote:
I want to know the web site that someone came from,
and so I was planning on reading $ENV{'HTTP_REFERER'}
to figure it out. How reliable is that?
Reliable enough for general interest and for finding some sites with
links to moved pages on your site. Not reliable enough to depend on.
Do browsers or other situations block it or obfuscate it?
Often. Its an optional header, isn't supposed to be sent when arriving
from an https page, and is munged by a goodly number of personal
firewalls.
Is there another way to do it
No
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Re: getstore and comments
On Fri, Aug 19, 2005 at 10:58:24AM +0200, Adriano Allora wrote: Some questions: 1) how can I write multine comments? something like /** ... **/? You can fake it with POD. I juse use a decent editor that lets me comment out a every line in a region. 2) the following script doesn't find the page requested in getstore (baolian.local = 127.0.0.1). Why? The second parameter for getstore is a file, not a URL. 3) $homepage must be a real page/file or I can use it like a normal variable or a filehandle to read with whlie()? The documentation doesn't say, but usually a module which takes a file can take either a filename or a filehandle. If your only intention is to read it, then you might be better off with get() instead of getstore(). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: htaccess question
On Thu, Aug 11, 2005 at 10:30:35PM -0400, Chris Devers wrote: If a directory is password protected with .htaccess ... or do you always get the popup box? I'm guessing you are talking about Basic Authentication here. A .htaccess file can contain pretty much any Apache directive, so it could be configured to use a Perl script for authentication (which would be more on topic for this list). You may, however, be able to use this syntax: http://Moe:[EMAIL PROTECTED]/members/index.html Whether this will work depends on the server configuration. No, it depends on the browser. There is no difference between that syntax and typing into a dialog box as far as the server is concerned, its just different ways for the browser to gather the information from the user. The credentials in URL syntax hasn't got as much support as it used to have though, it was too often used in pishing schemes. But note that embedding this in the URL is usually considered a bad habit, unless you have no problem with this information being sent across the internet in the clear for anyone to see. It is only in the clear if you don't use HTTPS - and if you don't use HTTPS then any password you send it going to be clear. The difference here is that it is visible in the URL - and so exposed to the look-over-the-user's-shoulder-in-the-real-world attack. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: How do I make two different web pages come up from one CGI?
On Wed, Aug 03, 2005 at 10:45:35PM -0700, Luinrandir wrote: I want to create two web pages in two different windows from one CGI. Each request gives one file, that's how HTTP works. You will need at least two requests, with the script running twice (or two scripts running once each). You can use JavaScript to spawn a second window, although it might be blocked by popup blockers (the specifics of such a solution are rather off topic for this list though, so I'll suggest you look elsewhere if you want to go down that path). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Easy question
On Tue, Jul 19, 2005 at 02:54:13PM +0100, Neville Hodder wrote:
FORM
* Invalid HTML. The action attribute is required.
* You haven't specified an enctype, but the default is unstuiable for
use with file inputs.
* You haven't specified a method, and the default (get) is unsuitable
for use with file inputs.
http://www.w3.org/TR/html4/interact/forms.html#h-17.3
PINPUT type=\file\ value=\file\
Funny looking paragraph ...
Inputs without names cannot be successful form controls.
http://www.w3.org/TR/html4/interact/forms.html#h-17.13.2
INPUT type=\text\ name=\words\ value=\default\ size=\10\
maxlength=\15\
INPUT type=\submit\ name=\file\ value=\Apply\/P
PThe file is: $ENV{QUERY_STRING}./P
Use CGI.pm. Don't try to access CGI related enviroment variables
directly. CGI.pm solves most of the problems you will run into
already.
/BODY
/HTML
/FORM
You should pay a visit to http://validator.w3.org/
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Re: How to browse and select a remote file and then return the filename
On Thu, Jul 07, 2005 at 03:00:02PM +0100, Neville Hodder wrote: I am in the process of learning how to use the CGI.pm module but can not find a method that will allow me to simply choose a 'remote' file. I need to be able to return the value path+filename of a file that the user has browsed to using something like the standard HTML form type: It isn't possible. For that sort of thing you'll need something like an ActiveX control with permission to read the user's file system. (Or to get the user to type the path to the file). Since the server doesn't have permission to access the user's file system over the Internet, and since that file system might be UNIX type, DOC type, or some other unknown type - it isn't a particularly useful feature to build into HTML. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: How to browse and select a remote file and then return the filename
On Thu, Jul 07, 2005 at 11:42:29AM -0400, Chris Devers wrote: It isn't possible. For that sort of thing you'll need something like an ActiveX control with permission to read the user's file system. (Or to get the user to type the path to the file). And that, in turn, can only be reliable with IE on Windows. Well, that specific example anyway :) I suspect a signed Java applet could work on other systems. Its not reliable on IE anyway - its unlikely that all users would have their security low enough (and accept the alerts) for it to run. However, I have trouble conceiving of a circumstance where it would be useful to do this over the WWW, so its probably in an environment where user agents can be mandated. I'm not aware of anyone getting ActiveX to work on anything other than the IE/Windows combination. Admittedly, that's something like 90% of web users, but Firefox, in particular, seems to be growing fast now. I seem to recall somebody managing to run ActiveX and IE under WINE :) -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: HTML::Templates
On Tue, Jun 28, 2005 at 08:21:02PM +0530, Rajesh Raghammudi wrote: I am using HTML::Templating system for my project and the requirement is, URL given at the address bar should not be changed throughout the application Yuck. The web is not designed to work like that. I could able to achieve this and works fine for me (I have a login page and users have to login to access the application). The problem I am facing is, If the user refreshes or does anything, nothing will happen and everything works fine, but when the user places cursor at the address bar and presses Enter, then the page is getting redirected to login page asking the user to login again. I'm guessing you are passing everything as POST data? Use a session to track where the user is at any given point, and return them there if they revisit the page without submitting POST data. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: hide source code 2 - online game
On Sat, Jun 18, 2005 at 09:21:55PM -0400, Luinrandir Insight wrote: my web host's cgi-bin is password protected. is this enough to hide my perl-cgi code that makes the HTML pages? the player files are in the same dir as the cgi code. I have an online game, so I don't want people to cheat. Do the players have access to the server other than through http? If you request one of the player files over http, what do you get? As a general rules, any data files should be kept out of the web root entirely. now I am hearing that PHP is the way to go for maximum hacker protection... comments? Err... Ha!? (Code is only secure as the person who writes it, I find it rather harder to write secure code in PHP, it doesn't come with such sane features as, for example, DBI bind variables.) -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: hide source code
On Sat, Jun 18, 2005 at 02:51:51PM +0200, Glauco Magnelli wrote: I would hide source code in my CGI Perl scripts. Which source code (Perl, HTML?)? From whom (other users of the server, visitors to the website?)? -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: hide source code
On Sat, Jun 18, 2005 at 07:43:58PM +0200, Glauco Magnelli wrote: Excuse me, you're right. I want hide Perl code from other users of the server. http://perlmonks.org/?node_id=423870 -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: How to save the state of a CGI script
On Sat, May 28, 2005 at 09:57:55PM +0530, Ankur Gupta wrote: I read perldoc CGI and found that state of a script could be saved by the following function. $myself = $query-self_url; print q(a href=$myselfI'm talking to myself./a); Not quite. If you used qq so that the string would interpolate variables then it would create a link back to the current URL - including the query string. print $q-start_form(-method='POST', You cannot create POST requests using a hyperlink, in HTML the only way to set this up is with a form. Additionally, since the data not sent using the query string then simply reading the query string won't include the same values. You would need to loop through the posted data and generate form controls (such as hidden inputs) for each value. Since the rest of your message discusses sorting of data, you should consider that GET is supposed to be used when retrieving any information from the server and POST when you are changing something. (This has implications such as GET being bookmarkable, and POST causing most browsers to warn about resubmitting data). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: How to use mime types for excel?
On Fri, May 13, 2005 at 02:06:42PM -0600, Siegfried Heintze wrote: I saw a very simple demonstration last night (at the Boulder Java users group) where Scott Davis showed a very simple java server pages program that transmitted HTML table data to a browser resident instance of Microsoft Excel. IE automatically looked at the mime types and invoked MS Excell to convert the HTML to a spreadsheet. Don't do that. You've no idea what software the end user will be using, so if you lie and claim that an HTML document is really an Excel document then you can cause problems for people. If you want to generate Excel, then Perl has many fine modules to do just that. (At a wild guess I'd say that perhaps you were encountering the IE knows the Content-Type better then the server issue, and it was realising that you Excel document was really an HTML document and doing The Right Thing). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Remote Desktop
On Wed, Apr 20, 2005 at 06:30:12PM +0530, Rajesh Raghammudi wrote: Hi, Just need one info. Does anybody have any idea, I need to capture the desktop of a remote user, as part of my project, I need a web-based application for this. VNC, has a Java Applet client and webserver to host it. Nothing to do with Perl or CGI though. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Variables in Modules
On Wed, Apr 13, 2005 at 05:14:31PM -0300, Sergio Pires de Albuquerque wrote: Thanks, but when I call another script from script1.cgi the value has gone HTTP is stateless. Each time a user requests an HTTP resource provided by a script, that script is run from scratch. If you want to make data persistent from one HTTP request to another, you either have to get the browser to pass it back (by encoding the data in the URL (typically with the query string, or (with the help of a form) in a POST request - either way it can be accessed with the param method of the CGI module), or by storing it on the server and asking the client to pass a token about (typically in a Cookie) to identify which set of data belongs to the user (this is usually done with sessions: http://search.cpan.org/~sherzodr/CGI-Session-3.95/Session.pm ) -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Internal links with cgi
On Sat, Mar 26, 2005 at 11:11:15PM +0530, Ankur Gupta wrote: I have a link like this. a href=http://127.0.0.1/link.cgi#word;word/a. When I click on the link word, I want the link.cgi to execute and then it should navigate to the word word. Then wrap that word in a named anchor or (if you are writing modern code and don't need to support browsers as obsolete as Netscape 4) a suitable element with an id. Its not happening for me. Is it valid in cgi or am I missing something. All the browser knows is that it has recieved some HTML because it made a request for an HTTP resource. It doesn't matter how the server goes about working out what content to send back, CGI, mod_perl, a static file, its all the same to the client. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: IE save, other shows image
On Thu, Feb 10, 2005 at 10:30:59AM +0100, Ing. Branislav Gerzo wrote: I have simple question, in my CGI script I have: print $query-header(-type='image/jpg'); This is wrong, the registered MIME type for JPEG images is image/jpeg -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Incorrect HTML Rendering?
On Mon, Feb 07, 2005 at 05:42:45PM -0800, Graeme St. Clair wrote: !ENTITY help Help Mozilla will support it in XHTML mode, but not tag soup mode (serve it as application/xhtml+xml not text/html). A better solution would be to use your CGI script to handle your macro functions. (Insert mutterings about markup authoring questions being inappropriate for a Perl CGI list). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: embedding dynamic images in html output
On Fri, Jan 21, 2005 at 09:43:40AM -0500, Chad Gard wrote: I have a CGI that generates a page from data in a database. I want to include several graphs of data in the page. I can use GD::Graph to create the images. But, the data sets are rather large/awkward to try to send off to another CGI that I could use with the IMG tag, and I really don't want to write images to files on disk. How about passing it the data it needs to make a suitable database request? I'd like to be able to embed the image data directly in the output of the one CGI. This isn't really practical. I have found an offhand reference to embedding the image data in an OBJECT tag (in Perl Graphics Programming, page 374 of the first edition). But cannot find any information about how to actually go about doing that. This? http://www.faqs.org/rfcs/rfc2397.html Browser support isn't very good, Internet Explorer doesn't support it (for instance). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: cascading menus in perl??
On Tue, 2004-12-14 at 11:41 +1100, Cat wrote: Been using a cascading menu written in javascript but would like to convert this to perl so that on mouseover it drops down further options to click through. If you want something on the client to change in response to an action then you either need to have the browser visit a new URL and send back a different webpage or use client side scripting. While you could do this in client side Perl, the number of users who are using Internet Explorer AND have the PerlScript plugin installed are minimal (and the subject is off topic for this mailing list anyway). -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Form PARAM is wierd (to me)
On Fri, Dec 10, 2004 at 02:04:33PM -0500, Robert wrote: I am getting a wierd value. When I submit the form I am getting position=VALUE++ back in the URL. I have no idea where the ++ is coming from and I can't find a darn thing about it. Most likely they are form encoded space characters. If you pay a visit to Google and search for something including spaces, you will probably see the same effect. I suspect you will find that when you get the value in your CGI script you will see them converted back to spaces. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Using a CSS file
On Wed, Dec 08, 2004 at 07:47:09AM -0800, Graeme St. Clair wrote: [Wed Dec 08 10:30:01 2004] [error] [client ###.###.###.###] c:/program files/perl_apache/apache/cgi-bin/fred/blah.css is not executable; ensure interpreted scripts have #! first line Looks like your server is configured to treat all files in cgi-bin as CGI scripts. 1) is there some appointed place for 'blah.css' other than where it is? Somewhere where the server won't try to execute them. This probably means Anywhere but in the cgi-bin :) 2) 'blah.css' contains only the CSS specs, nothing else. Is that as it should be? Yes -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Printing from a Web Browser
On Wed, 2004-12-01 at 12:05 -0600, Bill Stephenson wrote: I just spent several hours formatting a web page template with a Style Sheet only to find that when the browser sends the page to a printer it apparently tosses the CSS info and renders it in the default HTML. Very frustrating By default a linked style sheet applies to screen media only. Use the type attribute (as described in the HTML and CSS specifications) to specify style sheets for other media types. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Printing from a Web Browser
On Wed, 2004-12-01 at 18:51 +, David Dorward wrote: By default a linked style sheet applies to screen media only. Whoops, I got that backwards. Its style elements which default to screen only. -- David Dorward http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Address bar redirects
On Thu, 2004-11-04 at 12:49 -0500, Chasecreek Systemhouse wrote: However, before you go traipsing off to research - try using target=_new and have the NEW url open in a NEW window. or not, since: (a) New windows are a usability hazard (b) _new is not an allowed value for the target attribute (you seem to be thinking of _blank) (c) _top would be more apropriate and (d) you can't use targets in anything automatic -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Address bar redirects
On Thu, Nov 04, 2004 at 09:52:18AM -0500, Jonathan Mangin wrote: http://youve-reached-the.endoftheinternet.org/ The above URI is a frameset (eugh, icky frames). If an http resource loaded into the frameset performs a redirect then the URI won't change becuase the URI in the addressbar is not a reference to the document performing the redirect. If you want to break out of frames you need some sort of client side technology. JavaScript framebusters are not difficult to find, but are out of scope for this mailing list. It was accomplished *exactly* like the one that got me to where the next redirect doesn't change the address bar. I'm really not clear what you are refering to by It or the one here. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Address bar redirects
On Thu, Nov 04, 2004 at 10:08:51AM -0500, Jonathan Mangin wrote: That's not me, man. I'm not using frames Then either: (a) The URI you provided is not one to a site you are running (so why did you bring it up?) or (b) (more likely) You have chosen a third party domain name hosting solution with is frames based and are not taking responsibility for it. Either way, the problem you are experiencing has nothing whatsoever with any redirects you use Perl for. or JavaScript. JavaScript is the usual way to escape from frames, not something I noticed the site you referenced using. (Relevant background lost as I'm too busy to repair other people's top posting). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: was php Perl, now reusable page elements
On Thu, 2004-11-04 at 15:35 +1100, Cat wrote: What made me work with php was it's ability to draw reusable page elements like the header, menu, footer from another html page from a fixed html page. Now I know that this can be done in perl when the pages are generated by a script, When a page is generated by PHP it is generated by ... a script! PHP is just another programming language. but my pages are fixed html to take advantage of meta tags etc plus If you mean static HTML, then: * That will have no influence of your ability to use meta elements * That will provide no advantage to any search engine optimisation you might be trying to do Static pages do make it somewhat less work to get sane cache control headers, and that can provide benefits to search engines (and, more importantly, to visitors). completely different layouts required within the one function. Do I not understand what function means in the context of programming? So I was attemtping to use the function in php to call headers, footers etc from another html page so that I don't have to alter 150 odd pages each time I change one minor thing in the layout. As I believe I suggested before, you can do that with Perl. So, I am not sure that it would be a great idea to call a subroutined directly from a fixed html page even if it can be done Again, if you mean static, then you can't - by definition. The moment you start calling server side scripting functions/methods/subroutines your page becomes dynamic, not static. so how else would I call my headers. footers etc using perl. Tis the question at the end of all of that :-) I think I mentioned Template::Toolkit last time. http://search.cpan.org/~mjd/Text-Template-1.44/lib/Text/Template.pm There is also HTML::Template. http://search.cpan.org/author/SAMTREGAR/HTML-Template-2.7/Template.pm and Mason. http://search.cpan.org/author/DROLSKY/HTML-Mason-1.27/lib/HTML/Mason.pm -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: cgiemail - formquestion
On Mon, Nov 01, 2004 at 04:59:35AM -0500, Chasecreek Systemhouse wrote: I made a form that is working... Now the client wants the form to self-update the content of the fields as the user fills out the form. For example, if they pick I would choose DHTML or JavaScript - which are things that happen on the client. DHTML being code for JavaScript + DOM + HTML ... usually. The problem with this is that you can't know if it will work - it depends on the client. It is also easy for the client to forge. So while it can be used to give information to the user, it is essential that you do not depend on any data generated from JavaScript to either exist or be accurate. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Help with php perl
On Fri, Oct 22, 2004 at 05:51:06PM +1000, [EMAIL PROTECTED] wrote: just spent absolutely days re writing all my html file into php with css includes for reusable page elements. only to find that my perl script won't run the css or the php includes. A CSS @import (assuming that is what you mean by a CSS include) is client side. What software you use to generate your client side code is rather irrelevent. Perl should not a be a factor in this not working. (Of course it is possible you are generating invalid content, or sending a Content-type header that claims the CSS is something other then CSS, but that is impossible to debug without seeing the code.) As for Perl and PHP; they are different tools to do the same job. While it is theoretically possible to configure your server to chain together PHP and Perl interpretors (thus generating HTML from PHP, but generating the PHP from Perl (or generating Perl from PHP and the HTML from the Perl) this isn't something I'd want to do as it is overly complex and inefficient. Once you get down to it, there isn't anything you can do with PHP that you can't do with Perl (and vice versa), although some things might be easier in one or the other. I suggest you pick a language and stick to it. (Perl is a good choice :D ) the newbie at perl php. If you are a PHP beginner AND a Perl beginner then its even more of a bad idea to try to use them both at the same time! -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: cgi errow 403 if accessed with lynx browser
On Tue, Oct 19, 2004 at 02:41:34PM -0400, Ingo Weiss wrote: I am usin the lynx browser to test my cgi's (in order to get a rough sense of the accessiblity of my pages). I can access a URL OK, but if I follow a any link (that points to another CGI) in lynx, I am getting the following error: Forbidden: You don't have permission to access /cgi-bin/ on this server (403) That suggests you are trying to access /cgi-bin/ instead of /cgi-bin/someScript.cgi. Have you checked the HTML output of the previous script? Is the HTML valid? Do you see this issue if you explicitly visit the URI of the second script? Does the problem occur with user agents other then lynx (if not, then it suggests the problem is with the HTML and lynx isn't managing to compensate for your error)? -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: cgi errow 403 if accessed with lynx browser
On Wed, 2004-10-20 at 14:51 -0400, Ingo Weiss wrote: That suggests you are trying to access /cgi-bin/ instead of /cgi-bin/someScript.cgi. Have you checked the HTML output of the previous script? Is the HTML valid? I checked it and it validates as XHTML 1.1 transitional That is very unlikely. There is no such language as XHTML 1.1 transitional. Do you see this issue if you explicitly visit the URI of the second script? No. Not if I put the url in quotes, like: lynx http://www...; That, probably, just stops your shell snipping off part of the URI before passing it to the lynx binary. Certain characters (such as ) have special meaning in the shell. This is what my URLs look like: a href=?inst=neuamp;course=art635amp;year=2004amp;term=fallamp; section=news I am using ? to indicate the same script that generated the page - could that be a problem? Yes. Lynx believes it means ./?etc rather then myScript.cgi?etc. if yes how is this done correctly? Give the URI to the script, don't try to get the browser to fill it in for you. Could the encoding of the url be a problem (amp; for )? No. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Reimplement CPAN as a Torrent?
On Tue, 2004-10-19 at 13:41 -0700, Bill Jones wrote: Should CPAN be re-implemented as a Torrent? No, it shouldn't. (a) CPAN changes frequently (b) Most people don't need a complete CPAN archive P2P is really hot and raging in some circles. Maybe torrents can benefit us in legal ways? At any rate, this is a new torrent on SuprNova: (URI Snipped) And that looks very much like a non-legal way. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: getting files from the internet
On Thu, Oct 14, 2004 at 09:09:00AM -0500, Jeff Herbeck wrote: Here is what I have so far. It runs, but it doesn't do anything but display aaa #!/usr/bin/perl Where are use strict and use warnings? getstore($URL, /var/www/html/$remote_user/); According to the perldoc for getstore, the second parameter should be a file, not a directory. You should probably be checking the response code that getstore returns as well. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Printing html document
On Fri, Sep 24, 2004 at 12:12:33PM +0300, victor wrote: So I need I button in a web page that will print that page to a printer that is not attached to the local computer, but to the web server where the page is hosted. The problem is that when I send a html page it prints all the tags: table, ... So you need some sort of filter to convert an HTML document to a format that your printer can understand. Are you trying to get plain text output? HTML::Striper might be your friend. Want it formatted? HTML::Latext might do as a first stage (then you'll need to convert the LaTeX to something your printer can understand (maybe postscript)). -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: newbie question about regex
On Fri, Sep 03, 2004 at 04:33:43PM +0200, Maurice Lucas wrote: $ ./count.pl /var/log/file text this works fine but sometimes the text is foo(bar) and then my scripts gives an error. syntax error near unexpected token `foo(b' That's a shell issue, not a Perl issue. Escape your brackets or quite your text so that bash (or sh or whatever) won't try to do something special with it. -- David Dorward http://dorward.me.uk -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: DBI for FireBird
On 20 Aug 2004, at 11:03, Cristi Ocolisan wrote: Can anybody tell me something about a DBI for FireBird? I looked on CPAN, but didn't find any. When I go to http://search.cpan.org/search?query=firebirdmode=all the second hit is subtitled DBI driver for Firebird (then it goes on to mention InterBase). -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: can't locate Image/Magick.pm in @INC
On 16 Aug 2004, at 15:30, Brian Volk wrote: I'm having trouble using Apache::ImageMagick. Here is the error I'm getting. Can't locate Image/Magick.pm in @INC (@INC contains: C:\PROGRAM FILES\PERLEDIT C:/Perl/lib C:/Perl/site/lib .) at C:/Perl/site/lib/Apache/ImageMagick.pm line 25. Does Magick.pm existing in an Image directory in any of those directories? If not - install Image::Magick. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: How to display a Text file using web browser under CGI
On 10 Aug 2004, at 21:52, Sun, Jian wrote: Could anybody help me to figure out How to display a Text file using the web browser in a CGI program? * output suitable http headers such as the content type * open the file * read the file * output the file Where are you having difficulty? -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: how to embed c code in perl programs
On 13 Aug 2004, at 08:16, Karthick wrote: Is it possible to embed C/C++ codes into perl programs. (Actually I want to make use of an API, that could be used with with C). You could try XS http://www.perldoc.com/perl5.6/pod/perlxs.html or Inline::C http://search.cpan.org/~ingy/Inline-0.44/C/C.pod. They both look like they should do the job, but I have to confess I haven't used either. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: File Size Calculator
On 9 Aug 2004, at 14:34, SilverFox wrote: Hi all, I'm trying to writing a script that will allow a user to enter a number and that number will be converted into KB,MB or GB depending on the size of the number. Can someone point me in the right direction? What have you got so far? Where are you stuck? Getting user input (where from)? Working out which order of magnitude the number is? Converting between kilo and mega et al? Showing the output? Show us some code. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Determining Odd and Even Numbers
On 3 Aug 2004, at 13:26, [EMAIL PROTECTED] wrote: Does anyone know a simple way to determine if a number is odd or even? Use the modulus operator. If $foo % 2 has remainder 1, then it is odd, if it has remainder 0, then it is even. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Trouble with PERL and HTML
On Sun, 2004-07-25 at 19:17, renzo rizzato wrote: The requested URL /cgi-bin/index.html was not found on this server. For a reason I cannot understand, the system keeps to stay in the cgi-bin directory, why? You haven't shown any code, so I'm going to make a wild guess. You have a link to index.html instead of /index.html or ../index.html or http://www.example.com/index.html;. -- David Dorward http://blog.dorward.me.uk/ http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Help required with DBI
On Sat, 2004-07-24 at 19:14, NandKishore.Sagi wrote: $data_source = dbi:DriverName:database_name ; Can't locate DBD/DriverName.pm in Change DriveName to the name of the driver you want to use (e.g. mysql) Change database_name to the name of the database you want to use. -- David Dorward http://blog.dorward.me.uk/ http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Windows Perl Environment
On Sat, 2004-07-17 at 10:44, [EMAIL PROTECTED] wrote: Is there any program that allows one to write Perl scripts and and then test them in a windows environment without using a DOS window, ActivePerl and the WindowsXP cmd program. No DOS there. What is wrong with command lines anyway? and actually have me see the program run before I upload it to a server, rather than just testing if the script runs without errors? Anyone know what I mean and know of any such program? Do you mean a debugger which allows line by line execution? Perl has one built in, I'd be surprised if ActivePerl removed it. http://www.linuxjournal.com/article.php?sid=2484 -- David Dorward http://blog.dorward.me.uk/ http://dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: how to extract digit from a line in Perl
On 14 Jul 2004, at 11:00, Franklin wrote: I want to extract the digit from a line of text. For exmple, for a text line: TSC2101Net, how can I write a script to extract 2101 and print it? There are number of techniques that spring to mind, the obvious being regular expressions and substring. The latter isn't much good unless you know the position of the numbers in the string. The former is more flexible but also more complex. perldoc perlrequick perldoc -f substr image.tiff IncrediMail - Email has finally evolved - Click Here Evolved into a distracting blinking thing that gives me a headache. Eugh. -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: new window on redirect
On 13 Jul 2004, at 14:37, Tim McGeary wrote: I want my web page redirect to open in a new window, as if I were putting target=_new in the html of the URL. Which isn't allowed under HTML. You are probably thinking of _blank. http://www.w3.org/TR/html4/types.html#h-6.16 How can I do that using CGI.pm's redirect? print $output-redirect($u) You can't... well... there is the Window-Target not-really-http-header but, last I heard, browser support for that (thankfully) sucks. http://diveintoaccessibility.org/day_16_not_opening_new_windows.html -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Re: Reading a comma delimited file into an array
On 18 Jun 2004, at 14:30, [EMAIL PROTECTED] wrote: As a learning Perl Person, this is fun. Would someone please point me in the correct direction to read a comma delimited file and put it into an array? http://search.cpan.org/~alancitt/Text-CSV-0.01/CSV.pm http://search.cpan.org/~jwied/Text-CSV_XS-0.23/CSV_XS.pm -- David Dorward http://dorward.me.uk/ http://blog.dorward.me.uk/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response
Identifying words containing a specific substring in a sentence (was: a simple question)
Tip: This is a beginners list, therefore many questions will be simple.
Aim for more descriptive subject lines and life will be easier for
users of the list archives.
On 16 Jun 2004, at 17:10, Kevin Zhang wrote:
For the following string:
axyzb cxyzd
What is the command to extract the substrings with xyz in them? In
this case, I'd like to get two strings axyzb and cxyzd.
The useful functions here are grep and split (perdoc -f grep and so
on).
#!/usr/bin/perl
use strict;
use warnings;
my $string = axyzb cxyzd ;
my @list_of_words = split /\ /, $string;
my @list_of_words_containing_xyz = grep /xyz/, @list_of_words;
foreach my $word (@list_of_words_containing_xyz) {
print $word, \n;
}
or, in less verbose form:
foreach (grep(/xyz/,split(/\ /, axyzb cxyzd ))) { print
$_, \n; }
--
David Dorward
http://dorward.me.uk/
http://blog.dorward.me.uk/
--
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