See if 
$ perl -le " use if $ENV{maplat_debug}, lib => 666; print for @INC"
C:/perl/site/5.12.2/lib/MSWin32-x86-multi-thread
C:/perl/site/5.12.2/lib
C:/perl/5.12.2/lib/MSWin32-x86-multi-thread
C:/perl/5.12.2/lib
.

$ export maplat_debug=6

$ perl -le " use if $ENV{maplat_debug}, lib => 666; print for @INC"
666
C:/perl/site/5.12.2/lib/MSWin32-x86-multi-thread
C:/perl/site/5.12.2/lib
C:/perl/5.12.2/lib/MSWin32-x86-multi-thread
C:/perl/5.12.2/lib
.

[download]
See also Log::Log4perl::CommandLine which I discovered right this minute 
use if Log::Log4perl->get_logger->is_debug, ...;

 # Then run your program
 my_program.pl --verbose
 my_program.pl -v
 my_program.pl --debug
 my_program.pl -d
 my_program.pl --quiet
 my_program.pl -q
 my_program.pl --debug
 my_program.pl --debug MyModule
 my_program.pl --debug MyModule,MyOtherModule --debug Foo

[download]

In reply to Re^5: Problems with forking by Anonymous Monk
in thread Problems with forking by mraspberry

Title:
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