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Retrieve historical data
http://www.weathergraphics.com/forum/viewtopic.php?f=9&t=1557
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Author:  WxFish [ Mon Nov 23, 2009 11:17 pm ]
Post subject:  Retrieve historical data

I am trying to retrieve some historical data. I know hoe to get current time tokens with the file names like ".../@Y@M@D@X_upa.wmo." What I want to do is to get time tokens of the previous day (e.g. D-1). Is there anyway to assign a variable to some thing like V1=D-1, then have a file name .../@Y@M@V1@X_upa.wmo?

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