[GRASS-dev] Re: need a truly quiet quiet

[Glynn Clements]

Michael Barton wrote:

> > I have just experienced, how expensive it can be, to write a  
> > WARNING out for every point, when buffering. I try to build simple  
> > buffers (only 8 points needed) around a lot of points - in one case  
> > 370.000 - and for the reason I choose a high tolerance value (to be  
> > sure, it will be reset to the max allowed one). THis works, but  
> > takes unbelievably long with all the warnings:
> > "WARNING: The tolerance was reset to ..."
> >
> > Now I have commented out the warning in main.c of v.buffer, and  
> > suddenly it is running like mad (30 seconds instead of over 10  
> > minutes). So maybe it would be nice to :
> > - either add another switch to turn off this warning
> > - or include it under the "--quiet" option (NO warning if "--quiet"  
> > set).
> 
> I really really agree with you. This has been an endless source of  
> problems for me trying to script a GUI around modules that will not  
> be quiet.

With the exception of Tcl's exec and open| treating stderr output as
an error, scripts shouldn't care whether modules are writing anything
to stderr.

If a script has problems with modules writing to stderr, that's the
fault of the script, not the module.

-- 
Glynn Clements <glynn at gclements.plus.com>