Hmm... Seems like you have empty @friends there. The loop should probably be something like: 
while(<MYFILE>) {
  if (m/^$newfriend$/) {
    print "You are already on the list!\n";
    exit;
  }
  push @friends, $_;
}

[download]
...or one could of course concatenate to the file.

--
Jaska

In reply to Re: File Locking by sligi
in thread File Locking by turnstep

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