I tried setenv. I modified the source and used this: 
#!/usr/bin/perl

use strict;
use warnings;

setter( $ENV{'pathy'} = 'kuku' );
system("env");

sub setter {
    shift;
    while ( my ( $key, $value ) = splice @_, 0, 2 ) {
        $ENV{$key} = $value;
        }
        return;
}

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In reply to Re: cannot modify LINUX env vars by Khen1950fx
in thread cannot modify LINUX env vars by ISAI student

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