Re^5: Help for a regex problem ?

Yes of course. Open a filehandle to that file and use the filehandle instead of <DATA>:

open my $fh, '<', 'path/to/my/PDB/file' or die "Could not open PDB fil
+e: $!";
while (<$fh>) { ... }
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CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

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