Obligatory plug for "use strict; use warnings;"

Note that the regexes at the end are likely the cause of any excess runtime not caused by disk I/O. Like ELISHEVA said, hashes are much better here (although memory usage will be somewhat higher).

In reply to Re: Merge 3 files into one file by jethro
in thread Merge 3 files into one file by shawshankred

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