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Re: grep . /; echo $?
From: |
Andreas Schwab |
Subject: |
Re: grep . /; echo $? |
Date: |
Fri, 04 Nov 2005 17:25:03 +0100 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) |
Benno Schulenberg <address@hidden> writes:
> Andreas Schwab wrote:
>> Benno Schulenberg <address@hidden> writes:
>> > (The message itself is a bit strange though: it doesn't sound
>> > like an error. "Cannot read a directory" would be better.)
>>
>> The message is just what strerror(EISDIR) returns, which has no
>> information about the actual operation that failed.
>
> But grep has this information: it knows what it was trying to do, so
> it could replace the standard message with something more specific.
All it would need to do is add some descriptive comment, like "cannot read
%s:", where %s substitutes the file name, before the errno text.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Re: grep . /; echo $?, Charles Levert, 2005/11/02
- Re: grep . /; echo $?, Julian Foad, 2005/11/02
- Re: grep . /; echo $?, Charles Levert, 2005/11/03
- Re: grep . /; echo $?, Benno Schulenberg, 2005/11/03
- Re: grep . /; echo $?, Charles Levert, 2005/11/03
- Re: grep . /; echo $?, Andreas Schwab, 2005/11/03
- Re: grep . /; echo $?, Benno Schulenberg, 2005/11/04
- Re: grep . /; echo $?,
Andreas Schwab <=
- Re: grep . /; echo $?, Julian Foad, 2005/11/04
- Re: grep . /; echo $?, Charles Levert, 2005/11/04
- Re: grep . /; echo $?, Julian Foad, 2005/11/08
- Exit statuses and errors messages (was Re: grep . /; echo $?), Charles Levert, 2005/11/08
- Re: Exit statuses and errors messages (was Re: grep . /; echo $?), Charles Levert, 2005/11/08
- Re: Exit statuses and errors messages (was Re: grep . /; echo $?), Julian Foad, 2005/11/09
- Re: grep . /; echo $?, Benno Schulenberg, 2005/11/04
- Re: grep . /; echo $?, Charles Levert, 2005/11/04
- Re: grep . /; echo $?, Julian Foad, 2005/11/04