Symbian has Perl (5.8.3, thanks to Jarkko), as does Windows CE. Android is supposed to have "a" Perl too (android-scripting, perldroid, Perl Wiki for Android), and as the iPhone is just a rebranded *BSD/OSX-for-ARM, it should be possible to compile Perl for it too.

Updated: Added links for Android

In reply to Re^3: How to list all the things in a directory? by Corion
in thread How to list all the things in a directory? by szabgab

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