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Old 11-25-2006
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dhinge dhinge is offline
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filtering zipcodes with bash or awk

What is the best way to filter a 5 digit number from a string like this:

"84047-9920"

I need to remove the quotes, dash, and the four-digit zipcode. So far all I've found is gensub() which will remove a character at a time here, or sed, but am unable to get the regular expressions to work.

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