Re: [log4perl-devel] code in variable substition

[Kevin G. <ke...@go...>]

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Mike Schilli wrote:
| Kevin Goess wrote on 5/27/2004, 4:40 PM:
|  > I was surprised to find out that this does not work:
|  >     whoranit = sub { $ENV{USERNAME} || $ENV{USER} }
|  >     log4perl.appender.x.ConversionPattern = %d ${whoranit} %m%n
|
| Another option to accomplish this would be using a cspec or a MDC setting.

Yeah, that's what I finally figured out.  So %W and ${whoranit} end up
being the same thing inside a ConversionPattern.

| What do you think the chance of breaking current configs is? It's
| probably fairly low -- can you think of an example?

It makes me a little nervous doing our variable substitution on Perl
code when our variable markers look an awful lot like Perl's.

name=mywackylogger
...
log4perl.appender.x.emailaddr = \
	sub { $name = $ENV{USER}; "${name}@initech.com" }

With my proposed changes, the emails would go to
"myw...@in..." instead of our developer.

Do you know how far log4j goes with the variable substitution stuff?


- --
Happy Trails. . .

Kevin M. Goess
(and Anne and Frank)
904 Carmel Ave.
Albany, CA  94706
(510)525-5217
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