[ic] Usertag return value

[Peter]

On 02/13/2009 05:15 PM, Peter wrote:
> 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;
> }

Oops, do needs a ; at the end, so those should look like:

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



Peter