#! /bin/bash

export MAIN_DIALOG='
<vbox>
  <frame Progress>
    <text>
      <label>Some text describing what is happening.</label>
    </text>
    <progressbar>
      <label>Some Text</label>
      <input>for i in $(seq 0 10 100); do echo $i; sleep 0.3; done</input>
      <action type="exit">Ready</action>
    </progressbar>
  </frame>
  <hbox>
   <button cancel></button>
  </hbox>
 </vbox>
'

gtkdialog --program=MAIN_DIALOG