linux_Shell_Scripts/basic_func at master · education-tech-stack/linux_Shell_Scripts · GitHub

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#!/usr/bin/bash
# using zenity to create a menu

temp=$(mktemp -t temp.XXXXXX)
temp2=$(mktemp -t temp2.XXXXXX)

function diskspace {
	df -k > $temp
	zenity --text-info --title "Disk Space" --filename=$temp --width 750 --height 10
}
function whoseon {
	who > $temp
	zenity --text-info --title "Logged in users" --filename=$temp --width 500 --height 10
}
function memusage {
	cat /proc/meminfo > $temp
	zenity --text-info --title "Memory Usage" --filename=$temp --width 300 --height 500
}

while [ 1 ]
do
	zenity --list --radiolist --title "Sys Admin Menu" --column "Select" --column "Menu Item" FALSE "Display diskspace" FALSE "Display users" FALSE "Display memory usage" FALSE "Exit" > $temp2
	if [ $? -eq 1 ]
	then
		break
	fi
	selection=$(cat $temp2)
	case $selection in
		"Display diskspace")
			diskspace;;
		"Display users")
			whoseon;;
		"Display memory usage")
			memusage;;
		"Exit")
			break;;
		*)
			zenity --info "Sory, Wrong Selection"
	esac
done

rm -f $temp 2> /dev/null
rm -f $temp2 2> /dev/null