http://makandracards.com/makandra/1615-disable-output-when-using-curl curl --silent http://www.example.com/ > /dev/null

jsawkというのがあったspidermonkeyを裏で動かしてるっぽいhttp://stackoverflow.com/questions/1955505/parsing-json-with-unix-tools curl 'http://twitter.com/users/username.json' | jsawk -a 'return this.name'