Hi AcidHawk, Try this,

This will help you if your files hava datas in rows seprated by ','

#!/usr/bin/perl

use strict;
use warnings;
use Data::Dumper;
use List::Compare::Functional qw(:originals :aliases);

my $file1 = '1141286452,ServerA,Disk Full,Arb data,other,stuff
1141286737,ServerB,Net Down,Arb data,other,stuff
1141286737,ServerC,Disk Full,Arb data,other,stuff';


my $file2 = '1141286452,ServerA,Disk Full,Arb data,other,stuff
1141286737,ServerB,Net Down
1141286780,ServerD,Bit Bucket Missing';


my @file1 = split/\n/, $file1;
my @file2 = split/\n/, $file2;

map{s/^([^,]+\,[^,]+\,[^,]+)\,(.*?)$/$1/}@file1;
map{s/^([^,]+\,[^,]+\,[^,]+)\,(.*?)$/$1/}@file2;

my @Comm;

my $comm = @Comm = get_intersection( [ \@file1, \@file2 ] );


if ($comm <=> 0)
{
print "\n\nFollowing informations are present in both File1 & File2.\n
+";
print "\t\t\t$_.\n" foreach (@Comm);    
}

__END__
Following informations are pesent in both File1 & File2.
                        1141286452,ServerA,Disk Full.
                        1141286737,ServerB,Net Down.
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Updated