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