open (FILE, "> redo-output.txt") or die "Error: $!";

foreach (@lines)
{
  print FILE "$_\n";
}

close(FILE);

##</code><code>##

    # Since the submit button was pushed, we have to check to see if the username

    # they typed exists.  $passwords is actually the hash we made earlier, but since

    # we are using just ONE value we call our passwords hash as a scalar: $passwords.

    # To lookup a hash key to see if it exists, you use: if (exists $hash{"key"}) {}.

##</code><code>##

# Since the submit button was pushed, we have to check to see if the username
# they typed exists.  $passwords is actually the hash we made earlier, but since
# we are using just ONE value we call our passwords hash as a scalar: $passwords.
# To lookup a hash key to see if it exists, you use: if (exists $hash{"key"}) {}.