I couldnt help admiring Bill for that nice answers. Enlightened me as well :).
Karthikeyan B ----- Original Message ----- From: "$Bill Luebkert" <[EMAIL PROTECTED]> To: "Perl" <[EMAIL PROTECTED]> Sent: Saturday, July 05, 2003 10:06 PM Subject: Re: Newbie Question > > karthikeyan.balasubramanian wrote: > > Hi, > > > > /--------------------------------------------------------------------------- > > -\ > > > >>First, can any one suggest a good technique for debugging that would show > >>more verbosely what is failing. If I run a script in a command window and > >>it says "bad command or filename" three times before the script runs; how > >>might I find out which commands run and which fail? I know the hard way > > > > to > > > >>do that (write a bunch of code after each command to decide if it ran or > >>not), I am looking for a simple way. > > > > \--------------------------------------------------------------------------- > > -/ > > > > try putting > > > > use strict; > > > > In your code. The above may give you more detailed error. > > Also try perl -w myscript.pl to pick up any warnings. Then you could > try perl -d myscript.pl and run the debugger on it (see perldebtut and > perldebug man pages). > > > /--------------------------------------------------------------------------- > > -\ > > > >>Also, can anyone tell me why many programs seem to run in a command window > >>but not from a browser. The command windows outputs the Content-type > >>header, couple CRs, <HTML> tags and so on, but when I run that same script > >>from a browser, the browser thinks and thinks and eventually says "done" > >>without ever showing anything. Why does this happen so often? > > > > \--------------------------------------------------------------------------- > > -/ > > Perhaps browser may not render incomplete document. Whereas its not the > > case > > on the command line mode. > > Try doing a show source in the browser and see what it's getting - you > could be sending bad HTML code that can't be rendered. > > > /--------------------------------------------------------------------------- > > -\ > > > >>And, I can't find a discussion of this on the web. When I have lines of > >>code that reference /usr/something/date or whathaveyou, what do I change > >>that to on windows? Do I use \www\this\that or can i use > > > > c:\www\this\that? > > > >>I think I've gotten www/this/that to work --is this the correct format? > > > > > > \--------------------------------------------------------------------------- > > -/ > > > > Windows : c:\perl\bin\perl > > Unix : /usr/bin/perl > > /www/this/that will work on both systems unless shelling out. > You may have to add the <drive>: depending on what drive you are running > from. When shelling out, you may have to replace your /'s with \'s. I > prefer to always use /'s and then do a s#/#\\#g on it just before shelling > out - that way you can make your script more portable and only have one > line that needs to be Win32. > > $cmdline =~ s#/#\\#g if $^O =~ /Win32/; > > > /--------------------------------------------------------------------------- > > -\ > > > >>And, I have a command like usr/bins/sendmail --what do I put in its > > > > stead? > > > >>Is this a ActiveState Perl command that is somewhere in the activeperl > >>directory? What about the "date" command? I have a scrfipt invoking that > >>and am not sure that its working. Is this supposed to be a unix command > > > > or > > > >>is it a perl command? > > > > > > \--------------------------------------------------------------------------- > > -/ > > Windows : Use smtp > > Unix : Use sendmail > > Net::SMTP (simple email) or MIME::Lite (more complicated email) will > work on both systems. Or you could use conditional code or you could > find a sendmail program that runs on Win32. > > > "date" command? > > yes its available in both Unix and Dos > > > > $date > > Thu Feb 8 16:47:32 MST 2001 > > c:> date > > The current date is: Sat 07/05/2003 > > Enter the new date: (mm-dd-yy) > > Depending on what you want to do with it, localtime/gmtime will > handle date without shelling out. Generally I avoid shelling out > whenever possible. > > -- > ,-/- __ _ _ $Bill Luebkert Mailto:[EMAIL PROTECTED] > (_/ / ) // // DBE Collectibles Mailto:[EMAIL PROTECTED] > / ) /--< o // // Castle of Medieval Myth & Magic http://www.todbe.com/ > -/-' /___/_<_</_</_ http://dbecoll.tripod.com/ (Free site for Perl/Lakers) > > _______________________________________________ > Perl-Win32-Web mailing list > [EMAIL PROTECTED] > To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs > _______________________________________________ Perl-Win32-Web mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
