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Sep 13, 2012 at 23:01 comment added waldyrious Good question. I haven't experimented much with Pipes so I don't have a definitive answer but I'm afraid they don't support such a mechanism for storing data. Maybe someone more knowledgeable will chime in with more useful insight.
Sep 13, 2012 at 22:43 comment added pax I am familiar with their XPath fetch module, I just don't know how would I track changes, Pipes doesn't (does it?) have a buffer/memory so I can compare the present against a previous state.
Sep 13, 2012 at 22:03 review First posts
Sep 28, 2012 at 19:37
Sep 12, 2012 at 21:13 history answered waldyrious CC BY-SA 3.0