linux-tutorial/codes/shell/菜单/在脚本中使用dialog命令.sh

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#!/usr/bin/env bash
# using dialog to create a menu
temp=`mktemp -t test.XXXXXX`
temp2=`mktemp -t test2.XXXXXX`
function diskspace {
df -k > $temp
dialog --textbox $temp 20 60
}
function whoseon {
who > $temp
dialog --textbox $temp 20 50
}
function menusage {
cat /proc/meminfo > $temp
dialog --textbox $temp 20 50
}
while [ 1 ]
do
dialog --menu "Sys Admin Menu" 20 30 10 1 "Display disk space" 2 "Display users" 3 "Display memory usage" 0 "Exit" 2> $temp2
if [ $? -eq 1 ]
then
break
fi
selection=`cat $temp2`
case $selection in
1)
diskspace ;;
2)
whoseon ;;
3)
menusage ;;
0)
break ;;
*)
dialog --msgbox "Sorry,invalid selection" 10 30
esac
done
rm -f $temp 2> /dev/null
rm -f $temp2 2> /dev/null