CentOS docs - Sep 2012 - strange error noise ...

The 'prepare' script uses a somewhat unusual construct a few 
places that has permissions errors, leaking (harmless) noise 
to stderr

/home/artwork/artwork/trunk/Scripts/Bash/Functions/Commons/
cli_printMessage.sh: line 70: /dev/stderr: Permission denied

             echo "$MESSAGE" > /dev/stderr


/home/artwork/artwork/trunk/Scripts/Bash/Functions/Commons/
cli_printMessage.sh: line 237: /dev/stderr: Permission denied

 	                    END {}' > /dev/stderr

--------------------

and I see a third instance in that script:

[artwork at centos-art-58 ~]$ grep stderr \
 	/home/artwork/artwork/trunk/Scripts/Bash/Functions/Commons/cli_printMessage.sh
             echo "$MESSAGE" > /dev/stderr
             cli_printMessage "${CLI_NAME} (${ORIGIN}): 
$MESSAGE" --as-stderr-line
             echo -e -n "$MESSAGE" > /dev/stderr
         --as-stderr-line )
                     END {}' > /dev/stderr
[artwork at centos-art-58 ~]$


Might this properly simply be sent to /dev/null ?

-- Russ herrold

On 09/10/2012 03:52 PM, R P Herrold wrote:
>
> The 'prepare' script uses a somewhat unusual construct a few
> places that has permissions errors, leaking (harmless) noise
> to stderr
>
> /home/artwork/artwork/trunk/Scripts/Bash/Functions/Commons/
> cli_printMessage.sh: line 70: /dev/stderr: Permission denied
>
>               echo "$MESSAGE">  /dev/stderr
>
>
> /home/artwork/artwork/trunk/Scripts/Bash/Functions/Commons/
> cli_printMessage.sh: line 237: /dev/stderr: Permission denied
>
>   	                    END {}'>  /dev/stderr
>
> --------------------
Yes. These are error messages. Where else does they should go to but the 
standard error output? Isn't it the usual way of printing error messages?

For some reason are you running the whole script through `sudo'?
> Might this properly simply be sent to /dev/null ?
We could do send error messages to /dev/null but centos-art.sh script is 
using /dev/stderr to report error messages. For example, when a file 
doesn't have execution right centos-art.sh script prints an error 
message telling you that, so you can fix the problem. If we don't do 
such printing finding errors would be even harder, don't you think?

-- 
Alain Reguera Delgado <alain.reguera at gmail.com>