Re: [PATCH 4/4] coccicheck: add indexing enhancement options

Julia Lawall
2016-06-14T20:47:38Z

On Tue, 14 Jun 2016, Luis R. Rodriguez wrote:

> On Tue, Jun 14, 2016 at 07:22:03AM +0200, Julia Lawall wrote:
> >
> >
> > On Mon, 13 Jun 2016, Luis R. Rodriguez wrote:
> >
> > > On Mon, Jun 13, 2016 at 09:50:15PM +0200, Julia Lawall wrote:
> > > >
> > > >
> > > > On Mon, 13 Jun 2016, Luis R. Rodriguez wrote:
> > > > >
> > > > > I'll redirect stderr to stdout by default when parmap support is used then.
> > > >
> > > > Usually I put them in different files.
> > >
> > > We can do that as well but I would only want to deal with parmap support
> > > case. Any preference? How about .coccicheck.stderr.$PID where PID would
> > > be the PID of the shell script?
> >
> > I don't understand the connection with parmap.
>
> When parmap support is not available the cocciscript will currently
> disregard stderr, output is provided as it comes to stdout from each
> thread I guess.

Deepa's recent patch to coccicheck made apparent that Coccicheck uses
--very-quiet, so there is standard error.

> > Originally our use of parmap made output files based on pids. Maybe this
> > is the default for parmap. I found this completely unusable. I guess one
> > could look at the dates to see which file is the most recent one, but it
> > seems tedious. If you are putting the standard output in x.out, then put
> > the standard error in x.err.
>
> I'll use ${DIR}/coccicheck.$$.err for stderr.

What is ${DIR}? and what is $$?

julia