[SLUG] How to add /usr/local/lib/perl/5.6.1/ to the perl @INC array in Debian

[Michael Lake <mikel@xxxxxxxxxxxxxxxxx>]

Hi all

I have a server with some CPAN modules in /usr/local/lib/perl/5.6.1/
perl is now 5.8 and is not finding the scripts in 5.6 
An upgrade occurred weeks ago so I dont know why this has occurrred just today or maybe yesterday.

I probably need to add /usr/local/lib/perl/5.6.1/ to the @INC array

Does anyone know where this is set in Debian? 
I know that you can add directories to the INC array via the -I command line invoking perl
but what scripts starts perl in Debian to add this so that all scripts starting with /usr/bin/perl 
end up with the new @INC. I looked for env vars also but didnt find it it anywhere. 

Mike  
--
Mike Lake
Caver, Linux enthusiast and interested in anything technical.