urandint

# This is based on one of the best urandom+bash random integer scripts IMHO
# FYI: randInt is significantly faster
# https://unix.stackexchange.com/a/413890
urandInt() {
  local intCount rangeMin rangeMax range bytes t maxvalue mult hexrandom
  intCount="${1:-1}"
  rangeMin="${2:-1}"
  rangeMax="${3:-32767}"
  range=$(( rangeMax - rangeMin + 1 ))

  bytes=0
  t="${range}"
  while (( t > 0 )); do
    (( t=t>>8, bytes++ ))
  done

  maxvalue=$((1<<(bytes*8)))
  mult=$((maxvalue/range - 1))

  while (( i++ < intCount )); do
    while :; do
      hexrandom=$(dd if=/dev/urandom bs=1 count=${bytes} 2>/dev/null | xxd -p)
      (( 16#$hexrandom < range * mult )) && break
    done
    printf -- '%u\n' "$(( (16#$hexrandom%range) + rangeMin ))"
  done
}