fileInput(inputId, label, multiple = FALSE, accept = NULL)
Creates a file upload manager that can be used to upload one or more files at once. Does not work on older browsers, including Internet Explorer 9 and earlier.
The file upload widget will pass the server a data frame that contains one row for each file uploaded and four columns:
name
The filename provided by the web browser for the filesize
The size of the uploaded file in bytestype
The MIME type of the file (as reported by the browser). For exampletext/plain
or an empty string (if the browser could not determine the type).datapath
The path to the temp file that contains the data that was uploaded. This file may be deleted if the user performs another upload operation.
inputId
The name to use to look up the value of the widget (as a character string)
label
A label to display above the widget
multiple
Whether or not the user should be allowed to upload multiple files at once
accept
A character vector of MIME types that the browser can expect the uploaded files to be.
Make this widget by copying the code in ui.R.