Theuerkorn Johannes wrote:
> Hello List,
>
> i have a perl script that i have running from a cron Job. It usually opens
> every 4 hours. But sometimes it takes the script longer to execute its job
> so after cron opens up the perl script as usual, i have two perl jobs
> running. Is there any possibility to check weather the script is already
> running? Maybe i can use a system command in the crontab?
>
> any help welcoe
>
> greets Johannes
try the Proc::ProcessTable module. example to find a process 'running.pl':
#!/usr/bin/perl -w
use strict;
use Proc::ProcessTable;
my $t = new Proc::ProcessTable;
foreach my $p (@{$t->table}){
if($p->cmndline =~ /running\.pl/){
print $p->cmndline," already running!\n";
last;
}
}
__END__
david
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