Re: [PATCH] filter-branch: Avoid an error message in the map function.

> Johannes Schindelin wrote:
> > 
> > On Wed, 4 Jul 2007, Johannes Sixt wrote:
> > 
> > > -     test -r "$workdir/../map/$1" || echo "$1"
> > > -     cat "$workdir/../map/$1"
> > > +     test -r "$workdir/../map/$1" &&
> > > +     cat "$workdir/../map/$1" ||
> > > +     echo "$1"
> > 
> > I think this does not do what you want. If I read it correctly, it will
> > not do anything if $workdir/../map/$1 is not readable. I think you need
> > this:
> > 
> >         (test -r "$workdir/../map/$1" &&
> >         cat "$workdir/../map/$1") ||
> >         echo "$1"
> > 
> > But that is a little too cute, so I personally would prefer an
> > if-then-else-fi, because that is the idea of that code snippet.
> 
> It does do what I think it should do. I tested it.