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Re: Checking for array entry in another array

by PrakashK (Pilgrim)
on Jul 26, 2001 at 20:13 UTC ( #100033=note: print w/replies, xml ) Need Help??

in reply to Checking for array entry in another array

Hash slices can be handy here. I am using the example arrays from the categorized answer How can I find the union/difference/intersection of two arrays? Just replace @simpsons and @females with your arrays.
my @simpsons=("homer","bart","marge","maggie","lisa"); my @females=("lisa","marge","maggie","maude"); my %simpsons_hash; @simpsons_hash{@simpsons} = @simpsons; @female_simpsons = grep {$_} @simpsons_hash{@females};

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[stevieb]: james28909: what's the problem/question?
[james28909]: it is not an absolute date like "27" or "31". sometimes it is like wednesday or friday
[james28909]: and i need to format those special instances into an absolute date instead of "yesterday"
[stevieb]: ask a question on SoPW, and include at least a half-dozen examples of the input, and at least one example of expected output
[davido]: Exactly: SoPW. This isn't going to be solved easily in the CB.
[james28909]: in need "yesterday" and so on, to be absolute like "1" or "31"
[stevieb]: ...and throw some of your existing code into the equation as well, just so readers know you've given a try at it ;)
[james28909]: ok
[stevieb]: davido thanks for the link ;) I was being the typical lazy
[davido]: date parsing is hard. The more examples you can provide of the input (within reason) and expected output, the better.

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