#!/bin/sh
seq 1 30 \
| sed 's/$/ /' \
| perl -aple '$_.="Fizz" unless $F[0] % 3' \
| ruby -aple '$_+="Buzz" if $F[0].to_i % 5 == 0' \
| awk 'NF==2{print $2}NF==1{print $1}'