Lyrain

#!/bin/sh

if [ $# -ge 1 ]; then
  QUERY=$(echo "$@" | sed -e "s/ /+/g")
  LINK="https://duckduckgo.com/?q=$QUERY"

  open -a Firefox $LINK
else
  echo "Duck needs a search query. Usage: duck foo bar baz"
fi

Lyrain

#!/usr/local/bin/python3

import sys
import ipaddress as ip

def print_help():
    print("Usage: ")
    print("main.py address [computers]\n")
    print("address: must be an IPv4 network address (including netmask in shorthand e.g. 192.168.211.0/27)")
    print("computers: optional - Number of computers on subnet. Will only print first and last host address.")