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Re: Queries of .asp pages with IDL SOCKET command [message #42468 is a reply to message #42467]

Wed, 09 February 2005 14:40

Dick Jackson
Messages: 347
Registered: August 1998

Senior Member

Hi Wayne,

"Wayne Landsman" <landsman@sampa.gsfc.nasa.gov> wrote in message
news:cub6pn$559$1@skates.gsfc.nasa.gov...
>
> I often fetch information from Web sites using the IDL SOCKET command, as
> implemented in webget.pro [...]
>
> IDL>
> print,webget(' http://vizier.u-strasbg.fr/cgi-bin/asu-tsv/?-source=gsc2.2&a mp;-c=m33&-c.rm=10')
>
> [...]
>
> However, although active server pages (.asp) have a very similar
> appearance, a query that I successively type into the Web page, e.g.
>
> http://cas.sdss.org/astro/en/tools/search/x_radial.asp?ra=19 5.0&dec=2.5&radius=3&topnum=10&format=html
>
> will give an error message it I send the same string to webget.pro. I am
> hoping that I just need to add some extra formatting command to make this
> work.

If this suits you, you can use the URLread function in
external/objbridge/java/examples/urlread.pro:

IDL>
result=urlread(' http://cas.sdss.org/astro/en/tools/search/x_radial.asp?ra=19 5.0&dec=2.5&radius=3&topnum=10&format=html')

Yes, this starts up the IDL-Java bridge, so you must have Java installed.
And yes, this will work with IDL VM, as long as the Java class is available!
Further, this will even work with 'https' secure web pages. Seems to me that
Java's got a lot going for it.

Cheers,
--
-Dick

Dick Jackson / dick@d-jackson.com
D-Jackson Software Consulting / http://www.d-jackson.com
Calgary, Alberta, Canada / +1-403-242-7398 / Fax: 241-7392

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[Message index]

		Re: Queries of .asp pages with IDL SOCKET command By: Wayne Landsman on Thu, 10 February 2005 10:44
		Re: Queries of .asp pages with IDL SOCKET command By: Dick Jackson on Wed, 09 February 2005 20:49
		Re: Queries of .asp pages with IDL SOCKET command By: Mark Hadfield on Wed, 09 February 2005 16:07
		Re: Queries of .asp pages with IDL SOCKET command By: Dick Jackson on Wed, 09 February 2005 14:40
		Re: Queries of .asp pages with IDL SOCKET command By: Craig Markwardt on Tue, 08 February 2005 16:30

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