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Re: Code Interpretation

by muba (Priest)
on Jul 28, 2014 at 15:37 UTC ( #1095378=note: print w/replies, xml ) Need Help??


in reply to Code Interpretation

You are correct so far.

@allrefs is an array. To get an element out of an array, you use a syntax like $array[ INDEX ]. To get multiple elements out of an array, you'd use @array[ INDEX1, INDEX2, ..., INDEXN ]. That's what's going on here: we sort the values of the %uni_refs hash, and then use those values as the indexes of elements to extract from @allrefs and store them in @refs.

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Re^2: Code Interpretation
by Perl_Ally (Novice) on Jul 28, 2014 at 15:40 UTC

    Thanks so much muba! That makes perfect sense!

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