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Programming > Perl Beginners > Re: Creating PI...
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Re: Creating PID file

by peng.kyo@[EMAIL PROTECTED] (J. Peng) Apr 27, 2008 at 09:50 AM

On Sun, Apr 27, 2008 at 9:30 AM, Michael Barnes <mbarnes@[EMAIL PROTECTED]
>
wrote:
>  So, I need my script to
>  create a pidfile when it starts.
>

There's not trick for creating a pid file in Perl.
You can say,

my $pid = $$;
open my $fd,'>', "/path/program.pid" or die $!;
print $fd $pid;
close $pid or die $!;

at the begin of the script.
And at the END block of the script you should delete the pid file when
script was exiting:

END {
    unlink "/path/program.pid" if $$ = $pid;
}


-- 
J. Peng - QQMail Operation Team
eMail: peng.kyo@[EMAIL PROTECTED]
 AIM: JeffHua
 




 25 Posts in Topic:
Creating PID file
mbarnes@[EMAIL PROTECTED]  2008-04-26 20:30:17 
Re: Creating PID file
rob.dixon@[EMAIL PROTECTE  2008-04-27 02:49:47 
RE: Creating PID file
MBarnes@[EMAIL PROTECTED]  2008-04-26 23:49:23 
RE: Creating PID file
MBarnes@[EMAIL PROTECTED]  2008-04-27 17:24:54 
Re: Creating PID file
rob.dixon@[EMAIL PROTECTE  2008-04-28 06:48:29 
Re: Creating PID file
chas.owens@[EMAIL PROTECT  2008-04-27 04:53:22 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 16:59:52 
Re: Creating PID file
chas.owens@[EMAIL PROTECT  2008-04-27 05:03:56 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 09:50:51 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 10:36:11 
sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-26 23:24:22 
Re: sql and perl
orasnita@[EMAIL PROTECTED  2008-04-27 11:06:23 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-27 12:25:59 
Re: sql and perl
rvtol+news@[EMAIL PROTECT  2008-04-28 09:54:43 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 09:20:07 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-28 10:19:51 
Re: sql and perl
peng.kyo@[EMAIL PROTECTED  2008-04-27 11:34:01 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-26 23:42:24 
Re: Creating PID file
orasnita@[EMAIL PROTECTED  2008-04-27 10:56:58 
Re: sql and perl
dan@[EMAIL PROTECTED] (D  2008-04-28 18:15:36 
Re: sql and perl
ficovh@[EMAIL PROTECTED]   2008-04-28 10:40:29 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 17:52:53 
RE: sql and perl
rvm@[EMAIL PROTECTED] (B  2008-04-28 14:40:25 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 20:06:21 
RE: sql and perl
andrew.curry@[EMAIL PROTE  2008-04-29 00:09:11 

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