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Sender: Junio C Hamano <jch2355@gmail.com>
From:   Junio C Hamano <gitster@pobox.com>
To:     Christian Couder <christian.couder@gmail.com>
Cc:     Siddharth Asthana <siddharthasthana31@gmail.com>,
        git@vger.kernel.org, johncai86@gmail.com,
        Johannes.Schindelin@gmx.de, avarab@gmail.com, me@ttaylorr.com
Subject: Re: [PATCH v5 1/2] cat-file: add mailmap support to -s option
References: <20220916205946.178925-1-siddharthasthana31@gmail.com>
        <20221120074852.121346-1-siddharthasthana31@gmail.com>
        <20221120074852.121346-2-siddharthasthana31@gmail.com>
        <xmqqy1s4wyvf.fsf@gitster.g>
        <CAP8UFD1CB90eoWpQmGJbfxK7uHX0-u4BuSE-v=mD1yuW+nnAxA@mail.gmail.com>
Date:   Mon, 21 Nov 2022 18:45:09 +0900
In-Reply-To: <CAP8UFD1CB90eoWpQmGJbfxK7uHX0-u4BuSE-v=mD1yuW+nnAxA@mail.gmail.com>
        (Christian Couder's message of "Mon, 21 Nov 2022 10:40:31 +0100")
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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).