Mercurial > urweb

view demo/upload.ur @ 805:e2780d2f4afc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Mutual datatypes through Elaborate
author Adam Chlipala <adamc@hcoop.net>
date Sat, 16 May 2009 15:14:17 -0400
parents 9f2555f06901
children
line wrap: on
line source
fun echo r =
  if blobSize (fileData r.File) > 100000 then
      return <xml>Whoa!  That one's too big.</xml>
  else
      returnBlob (fileData r.File) (blessMime (fileMimeType r.File))

fun main () = return <xml><body>
  <h1>The Amazing File Echoer!</h1>

  <form>Upload a file: <upload{#File}/> <submit action={echo}/></form>
</body></xml>