[ic] Usertag return value

Peter peter at pajamian.dhs.org
Sat Feb 14 01:15:20 UTC 2009


On 02/13/2009 09:01 AM, Grant wrote:
>>>>>> $return= $image->Write(filename=>'/file/location/'.$name.'_image.jpg')
>>>>>> or return 0;
>>>>>> $Tag->log("1: return=$return error=$!");
>>>>>> $return= chmod(0644,"/file/location/".$name."_image.jpg") or return 0;
>>>>>> $Tag->log("2: return=$return error=$!");
>>>> Why not write it like this:
>>>>
>>>> return 0
>>>>   if ! $image->Write(filename=>'/file/location/'.$name.'_image.jpg');
>>>>
>>>> return 0
>>>>   if ! chmod(0644,"/file/location/".$name."_image.jpg");
>>> I tried this with the same results.  The first 3 commands execute, the
>>> last 3 commands don't execute, and the usertag exits with '0'.  If I
>>> remove:
>>>
>>> return 0
>>>   if !
>>>
>>> everything executes, but I don't get the '0' in case of failure.
>> So, you want all commands to execute regardless and the tag to return 0
>> if any command fails?
> 
> Thanks Peter, but what I'm after is processing to stop and a return
> value of 0 in case a command fails.  The usertag executes all the way
> through unless I set it up to return 0 in case of failure, in which
> case processing stops halfway through.  I'd also like any error info
> to be printed to the error.log because my app needs a 1 or 0 returned
> by the usertag.

Try this then:

command1 or do {
	::logError "Error running command1: $!";
	return 0;
}

command2 or do {
	::logError "Error running command2: $!";
	return 0;
}

...

commandn or do {
	::logError "Error running commandn: $!";
	return 0;
}




Peter



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