It's a simple bug - you're copying the file handle rather than reading from it. 
while (my $line = $FH) {

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should instead be 
while (my $line = <$FH>) {

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The "<>" around $FH reads from the filehandle (a line at a time, in this context).

Mike

In reply to Re^2: Extracting string from a file by RMGir
in thread Extracting string from a file by Bindo

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