andr...@itship.ch writes:

Hi Andreas,

> I'm not sure if I understand you correctly.
> You can use (log) in different ways, e.g.:
> (log "just a message")
> (log 'debug "variable x is" x)
> (log 'warn "folder size is reaching >1GB")
> (log 'error "a fatal error occured")
>
> If (on *LogOn), all messages get printed.
> If (setq *LogOn 'warn), only warn and error messages (the 2 at bottom)
> will be printed.
> If (setq *LogOn 'error), only the last message will be printed.

ok, I see, so its the programmers responsability to put 'warn and 'error
level statements in places that are only reached under some error
condition and nowhere else. 

> So far this system only handles messages which you explicitly send
> yourself with (log Type any ...). Error ouput from pil isn't getting
> handled, as I don't know how I could do that. Pil error messages can be
> redirected to a file with (err), but I don't see a way to get it
> redirected to a function...
>
> Does this answer your question?

Yes, thanks!

>> Thorsten Jolitz <tjol...@gmail.com>
>> writes:
>>
>> after testing a bit more I have one question:
>>
>> It seems the levels 'warning and 'error unconditionally print their
>> messages when *LogOn is set to them, but from my understanding these
>> levels would eventually be turned-on in production code and thus
>> should only print something when something goes wrong in the program
>> execution.
>>
>> Would it be possible to only log messages from catched error with level
>> 'warning and try to log some system information when there is a real
>> uncatched error with log-level 'error? So that level 'warning would
>> become the default level for production code and nothing is printed as
>> long as the program runs smoothly?
>>
>> --
>> cheers,
>> Thorsten
>>
>> --
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>
>
>

-- 
cheers,
Thorsten

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