[Chicago-talk] pid files and whatchamacalits.

[Jim Thomason]

If you're guaranteed that the script has a unique
name, you could always just do a ps (however you
prefer) and check to see if it's running in there.

Still not exactly pretty, but it saves you the temp
file.

-Jim....

--- "Dooley, Michael" <Dooley.Michael at con-way.com>
wrote:
> I have a perl script that runs via cron.
> 
> outside of checking for a pid file does anyone have
> any cleaner ways of
> checking to see if the script is already running?
> 
> I was looking at Proc::PID_File. but I would like to
> try and stay with the
> default install of perl.
> This is perl, v5.8.0 built for sun4-solaris
> 
> Is below a standard way to do this?
> 
> if (-e "/tmp/pid.file") {
> exit;
> } else {
> open (PID, ">/tmp/pid.file");
> print PID $$;
> close PID;
> }
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