in reply to Union of hashes

map {$b{$_} = $a{$_}} keys %a;

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Does a similar thing

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Re: Re: Union of hashes
by merlyn (Sage) on Feb 07, 2002 at 16:43 UTC
    Only in the sense that 
    print "hello world";

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    and 
    print $_ for split //, "hello world";

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    do "similar things". The void map solution is to be avoided, especially when there are so many better solutions.

    -- Randal L. Schwartz, Perl hacker

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      Like masem's most excellent Hash::Merge. It does deep hashes, and optionally does true copies instead of references.

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