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Simple XML Stock Scraper Class

Submitted on: 1/5/2015 7:58:00 PM
By: Pete Clark (from psc cd)  
Level: Beginner
User Rating: By 9 Users
Compatibility: ASP (Active Server Pages)
Views: 3886
     The code provided is an example of a VBScript class that submits stocks symbols to Yahoo's finance site, parses the returning CSV file, and converts the information into an XML document object. The main difference between this code and other stock scrapers is that this code does not pull information from the HTML presented by Yahoo, but instead uses a service available which returns the stock information as a comma seperated value (CSV) file. The advantage of this is that the code won't break when Yahoo changes thier HTML. The code assumes you are familiar with the XML DOM and XSL stylesheets. The example provided uses an XSL stylesheet for presentation, but other methods could be used. The XML objects used in the code assume that MSXML 3.0 or greater is installed on the machine. However, the code could be modified simply to account for older/other parsers. The only other requirement of the code is that Yahoo's financial site is responding correctly, which is almost always the case.

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