how to avoid process die when can't create mysql dbh

hi, Because of network problem,my script can't create Mysql dbh sometime when running,then it died.I have written code like this: my $mysql_dbh=DBI-connect(dbi:mysql:$mysql_db:$mysql_host,$mysql_user,$mysql_passwd, {PrintError = 1,RaiseError = 0}); I want to

Re: Space proplem

Hi Martha, Although I do not understand exactly what it is that you want, the following could help ... #1# $msg =~ s/\/'/igx; #2# if (($msg=~ /gu1/i) ($msg !~ /gu1[0123456789]+/i)) First remove line #1#. I guess you did an attempt to remove quotes here, that weren't even there (you can see if

difference between 'subroutine()' and 'subroutine()'

HI, I want to know what's the difference when I call a subroutine with '' or without ''. such as: subroutine(); sub subroutine{ .. } or subroutine(); sub subroutine{ .. } Can anyone tell me?thanks a lot. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail:

compare two files

hi, Is there a best way to find some lines which exists in both two files? Someone has show me a method but it seems a little low efficiency. The code is as below: open (T1,1.txt) or die $!; open (T2,2.txt) or die $!; while(my $line=T2){ chomp $line; print $line,\n unless diff($line); }

Re: compare two files

Your code logic says that you want to find lines in '2.txt' that are NOT in '1.txt'. thanks for all answerers. yeah,I have put less attention on that code,and have made a fatal logic error. but the way mentioned by John, putting file's all contents to a hash, maybe somewhat less efficiency when

Re: Redirecting STDERR

hi, maybe u should redefined the __DIE__ handle for the reason of safety. such as: $SIG{__DIE__}=\log_die; sub log_die { open (HDW,,$err_log); select HDW;$|=1;select STDOUT; print HDW @_; close HDW; die @_; } 2005/10/8, Timothy Johnson [EMAIL PROTECTED]: It partly depends

move applications from traditional CGI to mod_perl

hi,everyone, I want to move my web applications which written by traditional CGI to mod_perl.Is there any risk or difficulty here? The applications are something about webmail.Which module under mod_perl is suited for me? Any advise or reference to me should be appreciated.TKS. -- Jeff Pan

about sleep: is it a bug?

; } close HD; `cat /dev/null $log`; disable(\%total); } } -- -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Choose from over 50 domains or use your own -- To unsubscribe, e-mail: [EMAIL

Re: keys of hash of hashes

Brent Clark -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Same, same, but different� -- To unsubscribe, e-mail

about utf8

. -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - A no graphics, no pop-ups email service -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response

Re: Regex - find chars between ()

)/; } } close(PWFILE); ...do something with $c[0] $c[1] $c[2] $c[3]... #EndCode Really appreciate some pointers. Regards, Greg -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Or how I learned to stop worrying and love email again

Re: Regex - find chars between ()

Sorry,it should be: $_=~/\((\w+)\,\s*(\d+)\)\s+\((\w+)\,\s*(\d+)\)/; Didn't consider the blank space before. On Mon, 12 Sep 2005 14:54:56 +0800, Jeff Pan [EMAIL PROTECTED] said: Is this feasible? while() { next unless /$host/; $_=~/\((\w+)\,(\d+)\)\s+\((\w+)\,(\d+)\)/; my

RE: Regex - find chars between ()

+)\,\s*(\d+)\)/; #my @array=($1,$2,$3,$4); my @array=qw/$1 $2 $3 $4/; print join (:,@array),\n; } executing the script: $ perl t10.pl tt2.txt $1:$2:$3:$4 why this happen? On Mon, 12 Sep 2005 02:38:25 -0500, Charles K. Clarkson [EMAIL PROTECTED] said: Jeff Pan mailto:[EMAIL

Re: catching output from ping

-- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Access all of your messages and folders wherever you are -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first

Re: Looping over an array of hashes problem

://learn.perl.org/ http://learn.perl.org/first-response -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - mmm... Fastmail... -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response

Re: extract web pages from a web site

this task Thanks José Pinto -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - mmm... Fastmail... -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response

Re: 2-way lookup

and I'm looking for suggestions. Thanks for your time. Greg Keenan Lucent Technologies * Level 1, 68 Waterloo Road North Ryde NSW 2113 Australia * +61 2 9491 6898 * [EMAIL PROTECTED] -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - The way an email service

Re: deciphering regular expressions

/first-response -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Or how I learned to stop worrying and love email again -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http

Re: naming subroutine reference parameter?

); sub_test(\%hash,[EMAIL PROTECTED]); sub sub_test{ my ($hash_ref,$array_ref)[EMAIL PROTECTED]; my %hash=%$hash_ref; my @[EMAIL PROTECTED]; do something... } -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - IMAP accessible web-mail -- To unsubscribe, e-mail: [EMAIL PROTECTED

Re: naming subroutine reference parameter?

and it only makes unnecessary overhead as keys/values are copied, so you immediately lost benefit by passing by reference. It's better to access them directly like, $hash_ref-{key} $array_ref-[0] do something... } This point is great,thank u. -- Jeff Pan [EMAIL PROTECTED] -- http

Re: parsing long strings

commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Faster than the air-speed velocity of an unladen european swallow -- To unsubscribe, e-mail: [EMAIL

Re: Could u plz tell me how to remove white spacees present between delimiter

, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - I mean, what is it about a decent email service? -- To unsubscribe, e-mail: [EMAIL PROTECTED

Socket Problem

) { $listen_socket-close; writelog($connection); exit 0; } $connection-close; } thanks. -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - A fast, anti-spam email service. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL

Re: how to replace multiple whit space with , .

, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/ http://learn.perl.org/first-response -- Jeff Pan [EMAIL PROTECTED] -- http://www.fastmail.fm - Faster than the air-speed velocity of an unladen european swallow

Interactive with other program

hi, I want to write a perl script that interactive with other program or script. when I run the jacl script which askes me to input some parameters interactively, just like this, when I issue wsadmin -f trade.jacl, then I have to answer some questions like below, Global security is (or will be)

hash of ref to array of arrays, lost all but the last element in hash

Dear all, I would like to construct a hash, whose value holds a reference to an array of arrays, however all the keys in my hash have the exact same value, which turns out to be the value of the last element I put it!! I felt that something is wrong in the data structure, that I should not

FW: hash, key value

-Original Message- From: Jennifer Pan Sent: Tuesday, August 21, 2001 6:08 PM To: '[EMAIL PROTECTED]' Subject: hash, key value Dear all: I would like to construct a hash, the value of each key is a bunch of refs to lists $value1 -- @list1

two .pl use each other?

I have two perl programs x1.pl and x2.pl In x1.pl, I really want to call x2.pl as a function to finish the task, is there a way to pack them so they can use one another? thank you! -Jennifer -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

chomp list

I have a file : #myfile.txt a b c d a c s g g o y g _END_ I wrote a perl script to put each line into a list; #/usr/bin/perl -w open (FH, myfile.txt) ; while ($LINE = FH) { chomp $LINE; push @list, $LINE; } close FH; print

print the array values in a hash

I have a hash and the 'value' associated with each key is an array of strings. (I do not care the strings are in order, so I suppose an embedded hash would do too); I want to print out the keys and each element of the array that associated with each key I did: foreach $key (keys %hash) {

RE: URL access

Apologize for the naivety, but there are so many modules related with LWP at cpan ( I searched for LWP), which one do I download? And how do I know if we already have LWP module at our local machine? thank you very much!! -Jennifer Pan -Original Message- From: Jos I. Boumans [mailto

grep repetitive elements?

I have two list, @list1 and @list2, each element @list1 is unique (could be a hash I suppose) I want to find out all the elements @list2 that is an element in list1 and have appeared two or more times I want to use GREP but I don't know how to grep certain element only when it happens 2 times,

RE: grep repetitive elements?

thanks all! This works, and I am reading Perl cookbook. -Original Message- From: Jeff 'japhy/Marillion' Pinyan [mailto:[EMAIL PROTECTED]] Sent: Friday, August 10, 2001 10:44 AM To: Jennifer Pan Cc: [EMAIL PROTECTED] Subject: Re: grep repetitive elements? On Aug 10, Jeff 'japhy

if in a list

I want to test if AF1 is in my list @mylist; I did: foreach $LIST (@mylist) { if ($LIST = AF1) $boolean = 1; else $boolean = 0; } is there a more elegant way to do it? many thanks jennifer -- To unsubscribe, e-mail: [EMAIL

RE: if in a list

many thanks, jos and maxim, your suggestions were very helpful. jennifer -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

matrix construction

I download the matrix module from CPAN , http://search.cpan.org/doc/ULPFR/Math-Matrix-0.3/README, $a = new Math::Matrix ([rand,rand,rand], [rand,rand,rand], [rand,rand,rand]); , but I am still at lost as to how to construct a matrix so if I want

open FILE problem

Hello all, I came across this problem opening up files that are fed in from command line using ls. I do not know why this script did not work. Appreciated any input. #!/usr/local/bin/perl # I am trying to feed all the files in this directory to do text processing and save the processed txt

concatenate $FILENAME and .yyy

Hello all, I stdin a file name: xxx.txt and I would like to have a output file name called x.txt.yyy This is how I do it $FILENAME = STDIN; $output = $FILENAME.y; print $output; And the result is only .yyy How do I concatenate $FILENAME and .yyy? Thank you