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Normally I would do map { pop } 1 .. @_ as in my un-golfed original to make it clear that I am iterating a set number of times, since @_ is taken in scalar context in the range operator. I used the shorter version for golf having seen BrowserUk use it here. Your point about fiddling with elements is pertinent, and the behaviour shouldn't be relied upon, but is probably not the cause of the problem in this case.

I am running 5.18.2 on Linux Mint 17 and adding the -an flags as mentioned by choroba and haukex (++ to them) gives the results expected:-

$ echo | perl -lanF'(\.)' -E +'say sub{map pop,@_}->(@F)' $

Note to self: start running multiple interpreter versions rather than being lazy and relying on whatever came with the Linux distro!



In reply to Re^5: split string using optimized code or perl one liner by johngg
in thread split string using optimized code or perl one liner by madtoperl

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