Uploading Files In Shiny

Kevin Feasel

2017-05-01

R

Steph Locke explains how to use lapply() and fread() to validate and combine multiple uploaded files in R:

In shiny, you can use the fileInput with the parameter multiple = TRUE to enable you to upload multiple files at once. But how do you process those multiple files in shiny and consolidate into a single dataset?

The bit we need from shiny is the input$param$fileinputpath value.

Read the whole thing.

Related Posts

An Introduction To seplyr

John Mount guest blogs on the Revolutions blog about seplyr: seplyr is an R package that supplies improved standard evaluation interfaces for many common data wrangling tasks. The core of seplyr is a re-skinning of dplyr‘s functionality to seplyr conventions (similar to how stringr re-skins the implementing package stringi). Read on for a couple of examples of where seplyr can make it easier for you to […]

Read More

R In Linux For Windows

David Smith shows how to install and use R in the Windows Subsystem for Linux: R has been available for Windows since the very beginning, but if you have a Windows machine and want to use R within a Linux ecosystem, that’s easy to do with the new Fall Creator’s Update (version 1709). If you […]

Read More

Categories