I'm not sure why the MCL clause doesn't show up in your output sample. But I'd say you have a two-step process, possibly involving two hashes:

  1. Go through file1, parsing out the beginning and end word in each clause, putting them in a %start hash and an %end hash respectively, with the tag (RP, MCL) as the keys' values.
  2. Go through file2, checking the first word of each line to see if it exists in one of these hashes, and if so, add the appropriate tag to the end of the line.

The rest is just implementation.

Aaron B.
Available for small or large Perl jobs; see my home node.

In reply to Re^5: merging a file with a value present in another file by aaron_baugher
in thread merging a file with a value present in another file by lakssreedhar

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