James Hurley wrote:
At the USPS web site (http://zip4.usps.com/zip4/) it is possible by
entering the street address, the city and the state to obtain the 9
digit zip code for that address.
This may be naive, but is it possible to do this from within LiveCode
by script?
Good news: you can use the post command for that.
Bad news: the result is HTML, so you'll need to parse out the relevant
parts.
To test I made a stack with a button and two fields - here's the script
for the button, using the URL derived from the HTML source of the form
element in that page:
on mouseUp
post fld 1 to url "http://zip4.usps.com/zip4/zcl_0_results.jsp";
set the htmlText of fld 2 to it
end mouseUp
Field 1 contains form element names and values, packaged up in the
name=value format used by both POST and GET:
visited=1&pagenumber=0&firmname=&address2=620+moulton&address1=&city=los+angeles&state=ca&urbanization=&zip5=90031&submit.x=48&submit.y=8&submit=Find+ZIP+Code
Field 2 will contain the HTML once the request is returned. Now for the
tedious parsing to get the parts you want....
--
Richard Gaskin
Fourth World
LiveCode training and consulting: http://www.fourthworld.com
Webzine for LiveCode developers: http://www.LiveCodeJournal.com
LiveCode Journal blog: http://LiveCodejournal.com/blog.irv
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