Script Biner Bash Shell

#!/bin/bash

clear
echo "Program Konversi Decimal-Biner"
echo -n "Masukkan Angka Desimal(0-15): "
read d

let h=$d
if [ $h -lt 16 ];
then

bin=`echo "obase=2;$d"|bc`

echo "Bilangan Binernya : $bin"

fi