my $self = bless {}, __PACKAGE__;
my $ovv = PublicInbox::LeiOverview->new($lei, 'out-format');
$lei->{l2m} or return
- $lei->fail("output not specified or is not a mail destination");
+ $lei->fail('--output unspecified or is not a mail destination');
my $devfd = $lei->path_to_fd($ovv->{dst}) // return;
$lei->{opt}->{augment} = 1 if $devfd < 0;
$self->prepare_inputs($lei, \@inputs) or return;