#!/bin/bash
(
  for i in 10 20 30 40 50 60 70 80 90; do
    echo prgbar = $i
    sleep 0.5
  done
  echo prgbar = 100
  echo lbl = Done.
  echo CANCEL = Ok.
  sleep 2
  echo quit
) | /usr/bin/ssd <(
cat - << EOF
Begin: Progress
    Position: 1x1
    id=prgbar
End
Begin: Label
    Position: 2x1
    Text = Applying settings, please wait...
    id = lbl
End
Begin: Button
   Position: 3x1
   Default
   Text = Cancel
   Id=CANCEL
End
EOF
)