Create a file upload and an action button. Read in the data when the action button is pressed. Show a modal if the file upload isn't a csv file. I want to work with the uploaded data elsewhere in the app so make it reactive.
Drop files here
or click to upload
library(shiny)
source("server.R")
source("ui.R")
shinyApp(ui = ui, server = server)Hi! I can help you with any questions about Shiny and R. What would you like to know?