| line | l | !l&&r | !l&&!r | condition | 
 
| 41 | 0 | 0 | 0 | delete $opts->{'stream_encoding'} // $encoding | 
 
| 42 | 0 | 0 | 0 | delete $opts->{'argument_encoding'} // $encoding | 
 
| 151 | 0 | 0 | 0 | $loaded{$module} ||= eval "require $module; 1" | 
 
| 158 | 0 | 0 | 0 | $self->{'os'} //= $^O =~ /^mswin/i ? 'MSWin' : 'POSIX' | 
 
| 194 | 0 | 0 | 0 | $any->{'local_cmd'}{$safe_name} // $any->_find_cmd_by_friend($name, $friend) | 
 
|  | 0 | 0 | 0 | ($any->{'local_cmd'}{$safe_name} // $any->_find_cmd_by_friend($name, $friend)) // $any->_find_cmd_in_path($name) | 
 
|  | 0 | 0 | 0 | (($any->{'local_cmd'}{$safe_name} // $any->_find_cmd_by_friend($name, $friend)) // $any->_find_cmd_in_path($name)) // $any->_find_helper_cmd($name) | 
 
|  | 0 | 0 | 0 | ((($any->{'local_cmd'}{$safe_name} // $any->_find_cmd_by_friend($name, $friend)) // $any->_find_cmd_in_path($name)) // $any->_find_helper_cmd($name)) // $any->_os_find_cmd_by_app($name, $app) | 
 
|  | 0 | 0 | 0 | (((($any->{'local_cmd'}{$safe_name} // $any->_find_cmd_by_friend($name, $friend)) // $any->_find_cmd_in_path($name)) // $any->_find_helper_cmd($name)) // $any->_os_find_cmd_by_app($name, $app)) // $any->_os_validate_cmd($default) | 
 
| 201 | 0 | 0 | 0 | $opts->{'relaxed'} or $any->{'relaxed_cmd_lookup'} | 
 
| 224 | 0 | 0 | 0 | $$opts{"local_${safe_name}_extra_args"} // $any->{'local_extra_args'}{$safe_name} | 
 
| 260 | 0 | 0 | 0 | delete $opts->{'remote_shell'} // delete $opts->{'shell'} | 
 
| 360 | 0 | 0 | 0 | $_[0]{'os_module'} //= $_[0]->_load_os |