示例:

#!/bin/bash
echo "Select no. for option"
OPTIONS="Hello theitroad Quit"
select opt in $OPTIONS; do
if [ "$opt" = "Quit" ]; then
echo done
exit
elif [ "$opt" = "Hello" ]; then
echo Hello World
elif [ "$opt" = "theitroad" ]; then
echo "Welcome in theitroad"
else
clear
echo bad option
echo "Type no. 1,2 or 3 for Hello,theitroad and Quit options respectively"
fi
done