I'm not sure if there's a convent way in R Shiny to upload files using drag and drop, but otherwise this would be a dozen lines of code in R, at most. Shiny cre

I'm not sure if there's a convent way in R Shiny to upload files using drag and drop, but otherwise this would be a dozen lines of code in R, at most. Shiny creates the plumbing and interactivity automatically.