👾

aggregate1166877

👾

Have you seen my melon? I thought I knew where it was but now it's missing ( ꒪ ▵꒪)

hrwgc / validate.sh

Created November 13, 2013 19:57

bash wget - check if file exists at url before downloading

	#!/bin/bash

	# simple function to check http response code before downloading a remote file
	# example usage:
	# if `validate_url $url >/dev/null`; then dosomething; else echo "does not exist"; fi


	function validate_url(){
	if [[ `wget -S --spider $1 2>&1 \| grep 'HTTP/1.1 200 OK'` ]]; then echo "true"; fi
	}