I think it's about time that other languages give back something to Perl. :D
Smiley noted; but just so we're all clear, Perl has already borrowed tons of features from other languages.
In some sense, it was originally invented as a synthesis of certain other languages.
This is even stated in the original Perl man page, which is now entitled simply "perl":
Perl combines (in the author's opinion, anyway) some of the best features of C, sed, awk, and sh, so people familiar with those languages should have little difficulty with it. (Language historians will also note some vestiges of csh, Pascal, and even BASIC-PLUS.)Also see this clpm discussion from 1999, ancestry of perl features.
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