# fizzbuzz
for i in `seq 1 30`
do
    if [ `expr $i % 4` -eq 0 ] && [ `expr $i % 5` -eq 0 ]; then
        echo "fizzbuzz"
    elif [ `expr $i % 4` -eq 0 ]; then
        echo "fizz"
    elif [ `expr $i % 5` -eq 0 ]; then
        echo "buzz"
    else
        echo $i
    fi
done