[prefix_]preProcessFeed

Use this function to perform any operations at the start of processing a feed. If paging is performed using the functions getFeedUrlParameters and getNextUrlParameters, this function is only called for the first page. If paging parameters are set in the URL by the getFeedUrls function and updated using the getNextUrls or getNextUrlXPaths, then this function will be called for each page.

Inputs: xml (XmlDocument)
Outputs: [NONE]
See also:

[prefix_]getFeedUrlParameters
[prefix_]getNextUrlParameters
getFeedUrls
[prefix_]getNextUrls
[prefix_]getNextUrlXPaths

Example

function myPrefix_preProcessFeed(xml)
   if (get_feed_param("LATEST_ID") == nil)
      set_feed_param("LATEST_ID") = xml:XPathValue("/atom:feed/atom:entry/atom:id")
   end
end

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