A succinct bash fizzbuzz

fizzbuzz

#!/bin/bash -e

#set -o xtrace


if [[ $# -lt 1 ]]; then
  echo '
Usage: fizzbuzz upto
       upto: The number upto which to count
'

  exit 1
fi

for x in $(seq 1 "${1}"); do
  RESULT=''

  if [[ $((x % 3)) -eq 0 ]]; then
    RESULT="${RESULT}Fizz"
  fi

  if [[ $((x % 5)) -eq 0 ]]; then
    RESULT="${RESULT}Buzz"
  fi

  echo "${RESULT:-${x}}"
done

Execute like so: ./fizzbuzz 100 | cat -n