# The user does not source bashrc/csh in their shell initialization.
        $env{PATH}    = $env{PERLBREW_PATH}    . ":" . join ":", grep { !/$root\/bin/ } split ":", $ENV{PATH};
        $env{MANPATH} = $env{PERLBREW_MANPATH} . ":" . join ":", grep { !/$root\/man/ }
            ( defined($ENV{MANPATH}) ? split(":", $ENV{MANPATH}) : () );