<aside> 💡 Implement a shell script that print out the multiplication table.

</aside>

if [ "$*" == "" ]; then
		echo "No arguments provided"
		exit 1
fi

for i in "$@"
do
		case "${i#[-+]}" in 
				*[!0-9]* | '' | 0)
						echo positive integer only
						exit 1;;
		esac
done

for i in `seq 1 $1`
do
		for j in `seq 1 $2`
		do
				mul=`expr $i \\* $j`
				echo -n "${i}*${j}=${mul}"
		done
echo ""
done

exit 0