Does anyone have a favorite way of ascertaining whether the data requested from a URL is actually successfully downloaded? I have tried simply checking the status of the container that receives the data, usually a field for text or an image object for image data. This works fine for text; i.e.,
put url "http://www.domain.com/mytext.txt"; into fld "myfield" if fld "myfield" is empty then answer "Bad URL."
But the same technique does not seem to work for image data; i.e., image "myimage" is empty -- always seems to return true
I've shied away from the load command because I'm typically loading lots of image or html data and don't want to bloat my application with cached data. But if I were to do load all URLs before displaying the data I'd have access to the URLStatus function, and could check for "error" or "timeout" or empty results.
For those of you who use the Internet library stuff: Is there a "best practices" approach to checking for successful data download. I'm interested in your experience and recommendations.
Thanks,
Devin Asay Humanities Technology and Research Support Center Brigham Young University
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