bug#6176: [PATCH 2/2] sort: --debug: output data independent key warnings

[Pádraig Brady]

On 12/05/10 14:55, Eric Blake wrote:
> On 05/12/2010 07:53 AM, Eric Blake wrote:
>> On 05/11/2010 05:39 PM, Pádraig Brady wrote:
>>> The attached patch gives warnings about questionable
>>> option combinations. For example:
>>>
>>> $ sort --debug -rb -k1,1n /dev/null
>>> ! options `-b' are ignored
>>> ! option `-r' only applies to last-resort comparison
>>
>> That looks awkward, both when compared to the GCS convention of listing
>> the program name rather than !, and in respect to plurality:
>>
>> sort: option `-b' is ignored
>> sort: option `-r' only applies to last-resort comparison
> 
> Or, to put it more concretely,
> 
>> +      fprintf (stderr, _("! options `-%s' are ignored\n"), opts);
>> +      free (opts);
>> +      ugkey.reverse = ugkey_reverse;
>> +    }
>> +  if (!stable && ugkey.reverse)
>> +    fprintf (stderr,
>> +             _("! option `-r' only applies to last-resort comparison\n"));
> 
> Why are we using fprintf(stderr) instead of error()?
> 

I was thinking it was redundant to print the command
name when explicitly asking for warnings,but yes I think
you're right, I'll just error(). I'll fix up the plurality also.

BTW I'm not intending to push this second patch for at least a day.

cheers,
Pádraig.