You have at least one bug of forgetting sigil $ in line once, but yes this was the basic idea.

And dumping inside the loop is costly.

Furthrmore you might want to use <code> tags next time. :)

Minor nitpick: when setting value 1, you don't need exists anymore. :)

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re^3: Filtering Output from two files by LanX
in thread Filtering Output from two files by vighneshmufc

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