Seeing as this is already labeled as "geeky", let me add that it is nice to put your PID in the lockfile so that if a new instance of the program finds it, it can determine if the lockfile is stale by checking for the PID of the program that created it.

Steve Moffat (my $.05, cuz we don't use pennies any more)

From: roundtable-request@muug.mb.ca To: roundtable@muug.mb.ca, Date: 07/13/2012 12:01 PM Subject: Roundtable Digest, Vol 91, Issue 3 Sent by: roundtable-bounces@muug.mb.ca

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Today's Topics:

1. Re: race conditions? (John Lange)

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Message: 1 Date: Thu, 12 Jul 2012 23:18:49 -0400 From: John Lange john@johnlange.ca To: Continuation of Round Table discussion roundtable@muug.mb.ca Subject: Re: [RndTbl] race conditions? Message-ID: CAPfXoshL7BUo+3HWe+5v0FNs61VMa1BnTa7d5xBYYY=sBNyhQg@mail.gmail.com Content-Type: text/plain; charset="iso-8859-1"

I nominate this as the geekiest thread on MUUG in recent memory.

Nicely done boys! Reminds me why i'm on this list.

Oh ya, and what Sean(s) said. Lockfile.

John