Top 10 perl books

Johan Lindström johanl at
Thu Apr 24 00:59:42 BST 2008

At 21:55 2008-04-23, Abigail wrote:
> > foreach iterates over a list, map transforms a list.
>Wrong. Map leaves the list as is - although it's able to alter its elements
>because of the aliasing behaviour of $_ - but for has that ability as well.

Certainly. Clearly my once sentence wasn't unambigous enough. map 
transform a list into another list. (And while you can side effect 
things while doing so, it's not a very good idea. Well, that goes for 
variables in general.)


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