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what is this?

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From:
Tom Allison
Date:
December 5, 2002 17:50
Subject:
what is this?
Message ID:
3DF00243.2030802@tacocat.net

eval 'exec /usr/bin/perl  -S $0 ${1+"$@"}'
     if 0; # not running under some shell


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What does this do and why?

-- 
mummy, n.:
	An Egyptian who was pressed for time.
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