Download file let user input filename

Provide your own content type string e. If you have questions about this article or would like to discuss ideas presented here, please post on RStudio Community. Our developers monitor these forums and answer questions periodically. See help for more help with all things Shiny. Shiny from. Help users download data from your app Last Updated: 28 Jun See here for an example app with file downloads.

The basic parts of a Shiny app. How to get help. App formats and launching apps. Introduction to R Markdown. Introduction to interactive documents. Setting Output args via Render functions. Generating downloadable reports.

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Persistent data storage in Shiny apps. Application layout guide. Output The following dialog box will appear to download the file after clicking the zip file link. The user can then download the file or open the file in the archive manager. If you click on the image file, the image will be opened automatically in the browser, as shown in the following output.

You must save the file to make a copy of the image file in the local drive. In the same way, when you click on PDF and TEXT file links, the content of the file will be opened in the browser without downloading the file.

The solution to this problem is to download the file forcibly using the built-in PHP readfile function. The readfile function is used in PHP script to forcibly download any file of the current location, or the file with the file path. The syntax of this function is given below. This function can take three arguments. The first argument is mandatory, and the other two arguments are optional.

This function returns the number of bytes read from the file mentioned in the first argument. The uses of this function are shown in the following two examples. In this example, we will create an HTML file with the following code, where the file name will be passed as a parameter of the URL named path , and the value of this parameter will be passed to the PHP file named download.

I want to ask the user for the file name to open. Answered by Lerner in a post from 13 Years Ago. Jump to Post. Thanks Thanks for the advise on safety. It is just an example. OK thanks a lot Duoas :- I was able to incorporate using a vector and am working on adding in a string stream now so I can parse it twice for the purpose of reading and writing csv files from user input or reading from an allready existing csv. Enter name: Enter age: Enter filename for name: Enter filename fir age: Displayy all names: Display all age: How to do this?

What are the codes gatiing this output? Hope someone will help me. Facebook Like. Twitter Tweet. Be a part of the DaniWeb community. Sign Up — It's Free!