Executing a unix command using file-handle

2008-02-24 Thread Anirban Adhikary
Dear List I am facing the following problem.While running the below mentioned code open(WHO, "who|")or die "can't open who: $!"; @arr = ; close(WHO); print $arr[2]."\n"; I am getting this output --- root tty3 2008-02-24 12:58 . But when i am trying to extract the 3 rd filed by using

Re: Executing a unix command using file-handle

2008-02-24 Thread Jeff Pang
What you need is maybe this: use strict; use Data::Dumper; open(WHO, "who|")or die "can't open who: $!"; my @arr = ; close(WHO); print Dumper [EMAIL PROTECTED]; for (@arr) { print STDOUT (split)[2],"\n"; } open (LS, "ls -l|") or die "can't open ls -l: $!"; @arr = ; close (LS); shift @arr

Re: Executing a unix command using file-handle

2008-02-24 Thread John W. Krahn
Anirban Adhikary wrote: Dear List Hello, I am facing the following problem.While running the below mentioned code You should have these two lines at the beginning of your Perl program: use warnings; use strict; open(WHO, "who|")or die "can't open who: $!"; @arr = ; close(WHO); print $ar

Re: about install module GD::Text

2008-02-24 Thread Tom Phoenix
Recently, auser <[EMAIL PROTECTED]> wrote: > i have install GD lib and GD module for perl, > but when i try to install module by cpan,some error happened. > (i have install GD::Graph by cpan and it works fine! ) > PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-e" > "test_harness

scalar / hash problem in HTML::Parser

2008-02-24 Thread Tim Bowden
Hi all, I'm using HTML::Parser to process files containing snippets of html looking like: First optionAnother choicepick me I'm wanting to create a hash of option value, name pairs. Ie, 1 => "First option",2=>"Another choice" and so on. Problem is, I don't know how to handle the hash returned i

Re: about install module GD::Text

2008-02-24 Thread auser
hello,Tom Phoenix,! Can you tell me the main step of this ? 1.install GD lib ? After that how can i known it's success or not ? (I use echo $? is 0 to test.) 2.install GD module for perl? Is it necessarily or not ? >Recently, auser <[EMAIL PROTECTED]> wrote: >