Re^2: Easiest way to protect process from duplication.

Here's a variation that uses the __DATA__ handle.

use Fcntl qw(LOCK_EX LOCK_NB);
die "Another instance is already running" unless flock DATA, LOCK_EX|L
+OCK_NB;
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Comment on Re^2: Easiest way to protect process from duplication. Download Code

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Re^3: Easiest way to protect process from duplication. by JavaFan (Canon) on Jan 23, 2012 at 07:47 UTC
That actually requires a `__DATA__` (or `__END__`) token to be present.	[reply] [d/l] [select]
Re^4: Easiest way to protect process from duplication. by kazak (Beadle) on Jan 24, 2012 at 13:38 UTC
Thank you too. BTW __END__,__DATA__,etc is there any general name for these tokens, (like "Labeled blocks", "builtins",...)? I'm newbie in perl so I just wanted to read about this stuff.	[reply]
Re^3: Easiest way to protect process from duplication. by kazak (Beadle) on Jan 24, 2012 at 13:29 UTC
Thank you for your post, that is what I really need.	[reply]