Seconding the style condemnation; similarly using map would be just as incorrect.

Use grep to filter, map to transform, and for to iterate (or one of the List::* modules for anything else more specialized like a reduce).

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^2: grep { } positional number of element by Fletch
in thread grep { } positional number of element by leszekdubiel

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