shinyFiles v0.7.5


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A Server-Side File System Viewer for Shiny

Provides functionality for client-side navigation of the server side file system in shiny apps. In case the app is running locally this gives the user direct access to the file system without the need to "download" files to a temporary location. Both file and folder selection as well as file saving is available.



Travis-CI Build Status CRAN\_Release\_Badge CRAN\_Download\_Badge

This package extends the functionality of shiny by providing an API for client side access to the server file system. As many shiny apps are run locally this is equivalent to accessing the filesystem of the users own computer, without the overhead of copying files to temporary locations that is tied to the use of fileInput().

The package can be installed from CRAN using install.packages('shinyFiles').


The package is designed to make it extremely easy to implement file system access. An example of implementing a file chooser would be:

In the ui.R file

    shinyFilesButton('files', label='File select', title='Please select a file', multiple=FALSE)

In the server.R file

shinyServer(function(input, output) {
    shinyFileChoose(input, 'files', root=c(root='.'), filetypes=c('', 'txt'))

It is equally simple to implement directly in your custom html file as it only requires a single <button> element. The equivalent of the above in raw html would be:

<button id="files" type="button" class="shinyFiles btn" data-title="Please select a file" data-selecttype="single">
    File select

For an overview of all the different modules try the shinyFilesExample() function in the package. It gives an overview of all the necessary code, along with descriptions and working examples.


  • The file icons used in the file system navigator are taken from FatCows Farm-Fresh Web Icons (
  • RStudio is a trademark of RStudio, Inc. File icons used by permission of RStudio, Inc.

Functions in shinyFiles

Name Description
dirGetter Create a function that updates a folder tree based on the given restrictions
updateChildren Update the children element to reflect current state
traverseDirs Traverse and update a tree representing the file system
shinyFilesExample Run a simple example app using the shinyFiles functionality
shinyFiles-buttons Create a button to summon a shinyFiles dialog
fileGetter Create a function that returns fileinfo according to the given restrictions
shinyFiles-package A Server-Side File System Viewer for Shiny
shinyFiles-parsers Convert the output of a selection to platform specific path(s)
formatFiletype Formats the value of the filetype argument
dirCreator Create a function that creates a new directory
getVolumes Get a list of available volumes
shinyFiles-observers Create a connection to the server side filesystem
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Type Package
License GPL (>= 2)
Encoding UTF-8
Collate 'aaa.R' 'filechoose.R' 'dirchoose.R' 'filesave.R' 'shinyFiles-package.R'
RoxygenNote 6.1.1
NeedsCompilation no
Packaged 2019-11-18 09:55:17 UTC; thomas
Repository CRAN
Date/Publication 2019-11-18 10:30:03 UTC

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