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Show the headers in a Shiny app
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| library(shiny) | |
| shinyServer(function(input, output, session) { | |
| output$summary <- renderText({ | |
| ls(env=session$request) | |
| }) | |
| output$headers <- renderUI({ | |
| selectInput("header", "Header:", ls(env=session$request)) | |
| }) | |
| output$value <- renderText({ | |
| if (nchar(input$header) < 1 || !exists(input$header, envir=session$request)){ | |
| return("NULL"); | |
| } | |
| return (get(input$header, envir=session$request)); | |
| }) | |
| }) |
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| shinyUI(pageWithSidebar( | |
| headerPanel("Shiny Client Data"), | |
| sidebarPanel( | |
| uiOutput("headers") | |
| ), | |
| mainPanel( | |
| h3("Headers passed into Shiny"), | |
| verbatimTextOutput("summary"), | |
| h3("Value of specified header"), | |
| verbatimTextOutput("value") | |
| ) | |
| )) |
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https://github.com/colearendt/shiny-session-info is probably better than this.