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Re: Get the length of a list.

by farang (Chaplain)
on Jul 27, 2013 at 16:35 UTC ( #1046670=note: print w/replies, xml ) Need Help??


in reply to Get the length of a list.

Another way, though not necessarily better than the original.

print scalar map $_, (1, 2, 3, 4, 3, 2, 1);
But if other processing is going to be done with the list, might as well just make a named array out of it from the start.

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[1nickt]: Hm, that is, how to prevent Perl from turning 1.0 into 1? I feel sure this must be an faq, but am reading perlnum and not finding the answer ...
[Lady_Aleena]: 1nickt, why does it matter in this case?
[1nickt]: Hm, perhaps this? "Operators which expect an integer force the argument into the integer format."
[1nickt]: Can this be? So print
[1nickt]: ... "expects an integer" ?
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