#!/bin/sh
# km/h -> m/s | m/s -> km/s
#define:
resps=/tmp/xkms.tmp


mk()
{
Xdialog --title "M/S - KM/H" --inputbox "Digite o valor em M/S" 0 0 2> $resps
kk=$(cat $resps)
ms=$(( $kk*3600/1000 ))
Xdialog --title "Result" --msgbox "$ms km/h" 0 0
rm $resps
menu
}

km()
{
Xdialog --title "KM/S - M/S" --inputbox "Digite o valor em KM/H" 0 0 2> $resps
kk=$(cat $resps)
ms=$(( $kk*1000/3600 ))
Xdialog --title "Result" --msgbox "$ms m/s" 0 0
rm $resps
menu
}

menu()
{
Xdialog --title "XKMS 2.0" --menubox "XKMS 2.0 ~ Lucas Nogueira" 0 0 0 "a" "Transforma KM/H em M/S" "b" "Transforma M/S em KM/H" "c" "sair" 2> $resps
a=$(cat $resps)
rm $resps
case $a in
a) km ;;
b) mk ;;
c) exit ;;
esac
}

if [ -e /usr/bin/Xdialog ]; then
    menu
else
    echo "Erro. Baixe o Xdialog."
fi