but I need to go one level up

".." goes one level up, so if $FindBin::Bin is "/foo/poo/current", the path "$FindBin::Bin/.." is interpreted by the OS as "/foo/poo".  So: 

use FindBin;
use lib "$FindBin::Bin/..";

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In reply to Re: File Paths of Shared Packages by Eliya
in thread File Paths of Shared Packages by mikasue

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