set -euo pipefail
IFS=$'\n\t'

trap clear ERR

DIALOG_OK=0
DIALOG_CANCEL=1
DIALOG_HELP=2
DIALOG_EXTRA=3
DIALOG_ITEM_HELP=4
DIALOG_ESC=255

exec 3<>file
dialog --output-fd 3 \
--clear \
--title "Delete file" \
--backtitle "Linux Shell Script Tutorial Example" \
--yesno "Are you sure you want to permanently delete \"/tmp/foo.txt\"?" 7 60

echo "Never Gona Go Here"