document updated 2 days ago, on Feb 18, 2025

FindBin breaks in some cases:

Alternative modules that don't have these problems:

Alternatives, that only use core modules:

use Cwd 'abs_path';
use File::Basename;
use lib dirname( abs_path $0 );

use File::Basename;
use File::Spec::Functions 'rel2abs';
use lib dirname(rel2abs($0));