You can speed up even more and make it strict safe by replacing local with my.

Unfortunately in Perl 5.6.1 it seems that keys comes off in a different order for lexical and global hashes (with anonymous hashes coming off in the same order as global).

In reply to Re: Re: Re^2: How to connect more arrays to a new array by Anonymous Monk
in thread Find unique elements from multiple arrays by Anonymous Monk

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