Calls to close() are not necessary in any event (for this particular code). Code runs the same with or without the "do". The only argument in favor of this "do" is scope of $input_h, etc. The price of the extra indentation level is too high and the gain too low - because of the very limited "life" of these variables.

I guess like all things, mileage may vary. In Perl, you can eliminate the "do" and just put {}, however I don't think either of these wise in this situation. Obviously you disagree.

In reply to Re^4: modifying a file with regex! by Marshall
in thread modifying a file with regex! by rna_follower

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