Create a download button or link — downloadButton
  v1.7.1|Source: 
  
  
    
  
    
  
    
  
R/bootstrap.R
  Description
Use these functions to create a download button or link; when clicked, it
will initiate a browser download. The filename and contents are specified by
the corresponding downloadHandler() defined in the server
function.
Arguments
- outputId
- The name of the output slot that the - downloadHandleris assigned to.
- label
- The label that should appear on the button. 
- class
- Additional CSS classes to apply to the tag, if any. 
- ...
- Other arguments to pass to the container tag function. 
- icon
- An - icon()to appear on the button. Default is- icon("download").
See also
Examples
if (FALSE) {
ui <- fluidPage(
  downloadButton("downloadData", "Download")
)
server <- function(input, output) {
  # Our dataset
  data <- mtcars
  output$downloadData <- downloadHandler(
    filename = function() {
      paste("data-", Sys.Date(), ".csv", sep="")
    },
    content = function(file) {
      write.csv(data, file)
    }
  )
}
shinyApp(ui, server)
}