1#!/bin/sh 2#- 3# SPDX-License-Identifier: CC0-1.0 4# 5# Written in 2021 by Alfonso Sabato Siciliano. 6# 7# To the extent possible under law, the author has dedicated all copyright 8# and related and neighboring rights to this software to the public domain 9# worldwide. This software is distributed without any warranty, see: 10# <http://creativecommons.org/publicdomain/zero/1.0/>. 11 12: ${BSDDIALOG_ERROR=255} 13: ${BSDDIALOG_YES=0} 14: ${BSDDIALOG_NO=1} 15: ${BSDDIALOG_ESC=5} 16 17./bsddialog --title " yesno " --yesno "Hello World!" 6 25 18 19case $? in 20 $BSDDIALOG_ERROR ) 21 exit 1 22 ;; 23 $BSDDIALOG_ESC ) 24 echo "[ESC]" 25 ;; 26 $BSDDIALOG_NO ) 27 echo "[NO]" 28 ;; 29 $BSDDIALOG_YES ) 30 echo "[YES]" 31 ;; 32esac 33