generate-name

#!/bin/bash

set -e

n=1
sep=-

while [ $# -ne 0 ]; do
  case "$1" in
    -n) n=$2; shift; shift;;
    -s) sep=$2; shift; shift;;
    *) >&2 echo "Unexpected argument: $1"; exit 1;;
  esac
done

cache=$(grep '^[A-Za-z]*$' /usr/share/dict/cracklib-small)
len=$(wc -l <<< "$cache")

next() {
  local i=$(shuf -i"1-$len" -n1)
  echo "$cache" | tail -n"$i" | head -n1
}

for ((i = 0; i < n; ++i)); do
  if [ $i -gt 0 ]; then
    printf '%s' "$sep"
  fi
  printf '%s' "$(next)"
done
echo