add host mapping to hosts file

addhost

#!/bin/bash
HOSTSPATH="/c/Windows/System32/drivers/etc/hosts"

if [[ $1 == "-h" || $1 == "--help" || $1 == "?" ]]; then
	cat << HELP
	Usage:
	addhost
	addhost [ip] [hostname]
	addhost [-l|-e|-h]
	
	Option:
	-l	show host file content
	-e 	edit host file
	-h|--help|?	show this content
HELP
	exit 0
fi

if [[ $1 == "-l" ]]; then
	cat $HOSTSPATH
	exit 0
fi

if [[ $1 == "-e" ]]; then
	vim $HOSTSPATH
	exit 0
fi

ip=$1
hostname=$2

if [[ -z "$ip" ]]; then
	read -p "please input ip:" ip
fi

if [[ -z "$hostname" ]]; then
	read -p "please input hostname:" hostname
fi

echo "$ip	$hostname" >> $HOSTSPATH