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Swervomotor

"PDF Viewer" widget using file name from String

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Good day,

Is it possible to reference a string tag for which file to view in the PDF Viewer? We have thousands of PDF's

I will FTP the current PDF part drawing to the SD card and delete the last PDF part drawing.  I believe I can just use a Rename File and overwrite a "sacrificial" PDF file name then reference that for the PDF viewer but wanted to know if their was a better way. 

Thanks.
-Swervomotor

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