Re^3: foreach argument modification inside loop, followed by return from loop

Sorry, It was much too long ago for my memory. I have not had access to a newsgroup server for some time. I do not even rember my old username. It was written by a very active user named PerlGurl (not sure of spelling). I reasonably certain that the application was randomizing an array. Notes that I had did not survive a hard drive failure.

Bill

Comment on Re^3: foreach argument modification inside loop, followed by return from loop

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Re^4: foreach argument modification inside loop, followed by return from loop by vsespb (Chaplain) on Jul 12, 2013 at 09:00 UTC
I found something. https://groups.google.com/forum/#!searchin/comp.lang.perl.misc/randomizing$20/comp.lang.perl.misc/D8Znz7CbCyg/ZXcyK3OTUEIJ PerlGuru + something about randomizing array + foreach+splice+last 'If any part of LIST is an array, "foreach" will get very confused > if you add or remove elements within the loop body, for example with > "splice". So don't do that.' > > Your testing seems to prove that this is a special case, certainly a > very useful one. > Please explain what makes it special. The 'last' makes it special. By exiting the loop there is no opportunity for confusion. But I did not find see "Anyway, don't do it, even with "last"" advices :(	[reply]

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Re^4: foreach argument modification inside loop, followed by return from loop
by vsespb (Chaplain) on Jul 12, 2013 at 09:00 UTC

'If any part of LIST is an array, "foreach" will get very confused > if you add or remove elements within the loop body, for example with > "splice". So don't do that.' > > Your testing seems to prove that this is a special case, certainly a > very useful one. > Please explain what makes it special. The 'last' makes it special. By exiting the loop there is no opportunity for confusion.

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