Great! Thank you both.
On 8/3/07, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> "Nguyen Thai Ngoc Duy" <pclouds@xxxxxxxxx> writes:
>
> > There is a construct like this in git-parse-remote.sh which makes
> > busybox ash unhappy:
> >
> > sed -ne '/^URL: */{
> > s///p
> > q
> > }' "$GIT_DIR/remotes/$1"
> >
> > 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.
>
> Traditionally empty LHS regexp means "the same as last match".
> Replace it with "s/^URL: *//p" and you would be Ok.
>
>
--
Duy
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