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Re^3: In-place file filtering

by adrianh (Chancellor)
on Jul 24, 2003 at 22:17 UTC ( #277718=note: print w/replies, xml ) Need Help??

in reply to Re: Re: In-place file filtering
in thread In-place file filtering

Fair point. Might be worth dropping a bug-report/patch to Abigail-II.

Where do you get the info on which US codes are valid/invalid?

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Re: Re^3: In-place file filtering
by princepawn (Parson) on Jul 24, 2003 at 23:36 UTC
    To actually get the list of zip codes costs money, either from the USPS or other sources. However, by repeatedly typing in zip codes into the zip code locator as I found out the valid upper and lower bounds.

    Carter's compass: I know I'm on the right track when by deleting something, I'm adding functionality

      Don't new codes get added? In other countries valid/invalid codes aren't contiguous sequences. I'd assumed that the lower/upper bounds were part of the spec? If not I'm not sure I'd rely on all the codes outside those bounds being invalid if it were me.

Re: Re^3: In-place file filtering
by Anonymous Monk on Jul 25, 2003 at 21:19 UTC
    Your friendly snail-mail corp will sell you same (sorta' -- they'll sell list of valid zips, from which one can deduce the 5 digit #s which are NOT valid.) But bigbuck$$$$.

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