header='-d --header="User-Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11"'
wget "$header" http://google.com -O index
	
wget: invalid option -- ' '
wget: invalid option -- '-'
wget: invalid option -- '-'
Usage: wget [OPTION]... [URL]...
	
header='--header=User-Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11'
wget "$header" http://website.com -O index
	
args=(-d '--header=User-Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11')
wget "${args[@]}" http://website.com -O index
	
wget $header http://website.com -O index
	
wget "$header" http://website.com -O index
	
someheader="-d --header='User-Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11'"
wget "$someheader" http://website.com -O index