fileInput allows users to upload their data in Shiny. Is there any way to unload the data while the data was already uploaded?
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What do you mean by "unloading"? – zero323 Jun 01 '15 at 23:49
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possible duplicate of [how can I update a shiny fileInput object?](http://stackoverflow.com/questions/17352086/how-can-i-update-a-shiny-fileinput-object) – zero323 Jun 01 '15 at 23:57
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This is exactly what I am looking for. Thank you! @ zero323 – Luyao Ruan Jun 03 '15 at 17:46