problems with webread command

Hello,

I am using 'webread' within several for loops to extract data from webpages (Google patents and Uspto patents website). It works perfecty for a few minutes, but then I get this error, not always in the same page: see below.

What is the problem? I changed the timeout in weboptions. I also inserted a try and catch statement, and the algorithm doesn't stop anymore but it remain stuck on the last result, as is the connection is lost and cannot be re-established.

Any idea?

Thanks!

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Error using webread (line 122)

Error connecting to

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&d=PALL&s1=8500052.PN.:

Recv failure: Connection was reset

Error in mfile3 (line 18)

code = webread(patent1_web,options);

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Answer 1

[Puru Kathuria]

Hi,

The possible workarounds you might want to try:

• Increase the timeout in weboptions
• Explicitly mention the file type you are trying to read from the url. Example:

D = webread(url, 'table');

• Mentioning content type in weboptions