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Subject: Re: Help a sed noob
Date: Sat, 04 Aug 2007 01:40:23 +0200
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Cc: Git Mailing List <git@vger.kernel.org>
To: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
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Nguyen Thai Ngoc Duy schrieb:
> Hi,
>=20
> There is a construct like this in git-parse-remote.sh which makes
> busybox ash unhappy:
>=20
>                 sed -ne '/^URL: */{
>                         s///p
>                         q
>                 }' "$GIT_DIR/remotes/$1"
>=20
> It complains about "no previous regexp" while gnu sed is ok. Can
> anyone explain to me what does "s///p" do? GNU Sed info page says
> nothing about empty regexp. If I replace it with "s/\(.*\)/\1/p" then
> I get "URL: " along with the remote path.
>=20
> By the way, can we use another construct instead? It would be less
> work for me ;-)

You could manually add the previous regular expression, like this:

		sed -ne '/^URL: */{
			s/^URL: *//p
			q
		}' "$GIT_DIR/remotes/$1"

Ren=C3=A9