You can try making a hash of names out of file C (just set $hash{$name}
= 1;), and then just check each name with
unless($hash{$name}){
do something...
}
-----Original Message-----
From: Andrej Kastrin [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 15, 2006 8:29 AM
To: beginners@perl.org
Subject: Hash problem
Dear Perl users,
I have some problems wih the folowing algorithm:
<snip>
And now the main problem. I want to add File C, which will contain
certain names, e.g.:
Castro
John
etc.
How to modify my script to sum only those AD's from file A, which not
exists in file C.
E.g.: if Castro and John exists in file C, then the result must be:
001 - 45 #ID is 001 and Bill (20) = 20 -->omit Castro (20) and
John (5)
002 - 20 #ID is 002 and Andrew (10) + Mike (10) = 20
<snip>
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