Check If URL Is Valid

Jeff Massung massung at gmail.com
Sun Aug 8 12:49:43 EDT 2010


I believe "the result" of your get will have an error message in it if the
URL doesn't exist. Otherwise the result is empty.

Jeff M.

On Sun, Aug 8, 2010 at 11:41 AM, Warren Kuhl <warrenkuhl at gmail.com> wrote:

> Thanks Colin....this is a great start.  Appreciate it!
>
> Warren
>
> On Sun, Aug 8, 2010 at 11:37 AM, Colin Holgate <coiin at verizon.net> wrote:
> >
> > On Aug 8, 2010, at 12:19 PM, Warren Kuhl wrote:
> >
> >> I need to check if a URL is valid and receive notification for invalid
> >> URLs.  I don't want my program to open any browswers when checking. Is
> >> this possible?
> >
> > In some cases it is. If the page you try to access doesn't exist, but the
> server traps for that, then it's harder to tell. Try these in the message
> box to see the difference:
> >
> > put url "http://www.runrev.com/" contains "404 Not Found"
> >
> > put url "http://www.runrevvvvvv.com/" contains "404 Not Found"
> >
> > put url "http://www.runrev.com/abcdefg.html" contains "404 Not Found"
> >
> > The first and third ones show "false", and the middle one "true".
> Although the third one returns false, the page doesn't really exist, but
> runrev.com handles that and redirects you to another page.
> >
> >
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