printf() vs fprintf()

[Gyepi SAM]

On Tue, Sep 24, 2002 at 06:30:31PM -0400, David Relson wrote:
> At 04:01 PM 9/24/02, Zack Weinberg wrote:
> >$ bogofilter [args] 2>&1 | grep ...
> >
> >zw
> 
> True, I could do that.  Howeveer, there seems to be a mismatch between 
> message types and currently available destinations.  As output classes 
> there are:  normal, debug, and error.  As destinations there are stdout and 
> stderr.  Prior to today, normal and debug messages generally went to stdout 
> and error messages to stderr.  Now, a group of debug messages are going to 
> stderr.  I would prefer having error messages and only error messages going 
> to stderr.

OK.
What if we prefix error messages with 'Error: ' and all others with 'Message:' or 'Debug: '?
The can be done easily with a set of wrapper functions.
Then you can grep for classes of messages too.

-Gyepi