From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 21 Nov 2022 09:45:09 GMT
Subject: Re: [PATCH v5 1/2] cat-file: add mailmap support to -s option
Message-ID: <xmqqtu2svdy2.fsf@gitster.g>
In-Reply-To: <CAP8UFD1CB90eoWpQmGJbfxK7uHX0-u4BuSE-v=mD1yuW+nnAxA@mail.gmail.com>

Christian Couder <christian.couder@gmail.com> writes:

> Yeah, right. So I would suggest the following:
>
>      git cat-file commit HEAD >commit.out &&
>      wc -c <commit.out | sed -e 's/^ *//' >expect &&

You should not use sed for things like that.

	echo $(wc -c <file)

should suffice to strip away unwanted $IFS around the output
(Note. lack of any quotihg around $() is the key).