1 files changed, 21 insertions, 0 deletions
diff --git a/lib/PublicInbox/MdirReader.pm b/lib/PublicInbox/MdirReader.pm
new file mode 100644
index 00000000..c6a0e7a8
--- /dev/null
+++ b/lib/PublicInbox/MdirReader.pm
@@ -0,0 +1,21 @@
+# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+
+# Maildirs for now, MH eventually
+package PublicInbox::MdirReader;
+use strict;
+use v5.10.1;
+
+sub maildir_each_file ($$;@) {
+        my ($dir, $cb, @arg) = @_;
+        $dir .= '/' unless substr($dir, -1) eq '/';
+        for my $d (qw(new/ cur/)) {
+                my $pfx = $dir.$d;
+                opendir my $dh, $pfx or next;
+                while (defined(my $fn = readdir($dh))) {
+                        $cb->($pfx.$fn, @arg) if $fn =~ /:2,[A-Za-z]*\z/;
+                }
+        }
+}
+
+1;