Re: A shortcoming of the git repo format

From: Jon Seymour <jon.seymour@gmail.com>
Date: Apr 27, 2005, 22:51 UTC
Message-ID: <2cfc403205042715513d8123f3@mail.gmail.com>
In-Reply-To: <426FDE48.1050700@zytor.com>

On 4/28/05, H. Peter Anvin <hpa@zytor.com> wrote:

Show 12 quoted lines

> Dave Jones wrote:
> >
> > That actually broke one of my first git scripts when one of the
> > changelog texts started a line with 'tree '.  I hacked around it
> > by making my script only grep in the 'head -n4' lines, but this
> > seems somewhat fragile having to make assumptions that the field
> > I want to see is in the first 4 lines.
> >
> 
> You have the delimiter for that; there is an empty line between the
> header and the free-form body, similar as for RFC822.
>

...and a relatively simple way to use that rule to extract just the header lines:

      sed -n "1,/^\$/p"                     # with the separator line

or, either one of these to remove the separator line as well:

      sed -n "1,/^\$/s/^\(..*\)/\1/p"  
      sed -n "1,/^\$/p" | tr -s \\012

jon

-- 
homepage: http://www.zeta.org.au/~jon/
blog: http://orwelliantremors.blogspot.com/