gistfile1.txt

#!/usr/bin/env bash

cloop () {
  # First parameter is $1, second is $2, etc...
  # If you want to capture all arguments use "$@"
  # Here we declare a local variable promoting clarity
  local command="$@"

  # ':' denotes true in shell scripting.
  while : ; do

    # Quoting can be very important, use liberally.
    $command

    # Naptime, yay!
    sleep 5
  done
}