From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 15 Sep 2014 19:14:43 GMT
Subject: Re: [PATCH 1/2] check-headers: add header usage checks for .c files
Message-ID: <xmqqr3zc66ho.fsf@gitster.dls.corp.google.com>
In-Reply-To: <1410680445-84593-1-git-send-email-davvid@gmail.com>

David Aguilar <davvid@gmail.com> writes:

> +check_header_usage () {
> +	first=$(grep '^#include' "$1" |
> +		head -n1 |
> +		sed -e 's,#include ",,' -e 's,"$,,')

perhaps a single "sed" invocation suffices?

	sed -n -e '/^#include/{
        	s/#include ["<]\(.*\)".*/\1/p
                q
	}' "$1"