How about this case sensitive solution

===================
#!perl -w
use strict;

my ($file_name, $search_string) = @ARGV;

open(INFILE, "< $file_name") or die "Couldn't open $file_name for reading:
$!\n";
while (<INFILE>) {
 if ($_ =~ m/\Q$search_string\E/) {
  print "yes";
  exit();
 }
}
print "no";


"Matt O'Neill" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Hi guys,
>
> I need a very simple command line perl program that takes two arguements,
> the frist being a filename and the second being a word to be searched for
in
> that file.  Then I simply want the result to print "yes" if arg2 is found,
> or "no" if it is not.
>
> Thanks for your help
>
> matt.
>
>



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