lib/Psh/OS/Win.pm

80-}
81-
82-sub inc_shlvl {
83-     if (! $ENV{SHLVL}) {
84:             $Psh::login_shell = 1;
85-             $ENV{SHLVL} = 1;
86-     } else {
87:             $Psh::login_shell = 0;
88-             $ENV{SHLVL}++;
89-     }
90-}
91-