Prompt example

gistfile1.txt

#!/bin/bash
dialog --title "Delete file" \
--backtitle "Linux Shell Script Tutorial Example" \
--yesno "Are you sure you want to permanently delete \"/tmp/foo.txt\"?" 7 60
 
# Get exit status
# 0 means user hit [yes] button.
# 1 means user hit [no] button.
# 255 means user hit [Esc] key.
response=$?
case $response in
   0) echo "File deleted.";;
   1) echo "File not deleted.";;
   255) echo "[ESC] key pressed.";;
esac