hashes intersection

vit has asked for the wisdom of the Perl Monks concerning the following question:

Dear Monks,
What is the good way to get common keys list of two hashes other than one by one comparison.

Comment on hashes intersection

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Re: hashes intersection by Corion (Patriarch) on Jun 21, 2009 at 19:57 UTC
This is a faq. Typing `perldoc -q intersection` or looking at perlfaq4 tells you how to do compute the symmetric difference. Also, perl hash intersection also has relevant results, for example Intersect two hashes	[reply] [d/l]