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authorEric Wong <e@80x24.org>2024-01-10 11:18:55 +0000
committerEric Wong <e@80x24.org>2024-01-11 03:00:15 +0000
commit25aa06e05957cba74798884f53aa317a0ccd04b8 (patch)
tree8d11ead19e137b9149531d604298015f55b16887
parentcb2952f7f383f688c49f4f993706e88376e998f3 (diff)
downloadpublic-inbox-25aa06e05957cba74798884f53aa317a0ccd04b8.tar.gz
Users may accidentally or unknowingly write `mbox' and not know
we support 4 incompatible mbox variants.
-rw-r--r--lib/PublicInbox/LeiToMail.pm4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index de75e99e..008da52e 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -407,7 +407,9 @@ sub new {
                 $lei->{opt}->{save} //= \1 if $lei->{cmd} eq 'q';
         } elsif (substr($fmt, 0, 4) eq 'mbox') {
                 require PublicInbox::MboxReader;
-                $self->can("eml2$fmt") or die "bad mbox format: $fmt\n";
+                $self->can("eml2$fmt") or die <<EOM;
+E: bad mbox format: $fmt (did you mean: mboxrd, mboxo, mboxcl, or mboxcl2?)
+EOM
                 $self->{base_type} = 'mbox';
                 if ($lei->{cmd} eq 'q' &&
                                 (($lei->path_to_fd($dst) // -1) < 0) &&