in reply to Running count in map

map doesn't maintain state, just like grep doesn't. They operate on lists, not items in the list.

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I shouldn't have to say this, but any code, unless otherwise stated, is untested

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Re^2: Running count in map
by Fletch (Bishop) on Aug 06, 2004 at 18:35 UTC

    Of course $_ is an alias for the original items in the list so you can use it to modify the original items if you want.</pedant> (not that that answers the original is-there-an-index question)

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