As far as I know this isnt an issue. But im a win32 user. :-)

And may I point out that

while ( my $line = <INPUT_HANDLE>) {
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is not the same as (excepting the variable used)

while ( <INPUT_HANDLE> ) {
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I believe that should read

while ( defined ( my $line= <INPUT_HANDLE> ) ) {
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But personally I dont see the point. You shouldnt be afraid of using $_.

--- demerphq
my friends call me, usually because I'm late....