linux-tutorial/codes/shell/示例脚本/菜单/使用select命令.sh

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2019-05-10 11:17:57 +08:00
#!/bin/bash
# using select in the menu
function diskspace {
clear
df -k
}
function whoseon {
clear
who
}
function menusage {
clear
cat /proc/meminfo
}
PS3="Enter option:"
select option in "Display disk space" "Display logged on users" "Display memory usage" "Exit program"
do
case $option in
"Exit program")
break;;
"Display disk space")
diskspace;;
"Display logged on users")
whoseon;;
"Display memory usage")
menusage;;
*)
clear
echo "Sorry, wrong selection";;
esac
done
clear