1 files changed, 15 insertions, 4 deletions
diff --git a/lib/PublicInbox/NoopFilter.pm b/lib/PublicInbox/NoopFilter.pm
index b9c00ff7..a97dbde6 100644
--- a/lib/PublicInbox/NoopFilter.pm
+++ b/lib/PublicInbox/NoopFilter.pm
@@ -4,10 +4,21 @@
  package PublicInbox::NoopFilter;
  use strict;
  
-sub new { bless \(my $ignore), __PACKAGE__ }
+sub new { bless \(my $self = ''), __PACKAGE__ }
  
  # noop workalike for PublicInbox::GzipFilter methods
-sub translate { $_[1] // '' }
-sub zmore { $_[1] }
-sub zflush { $_[1] // '' }
+sub translate {
+        my $self = $_[0];
+        my $ret = $$self .= ($_[1] // '');
+        $$self = '';
+        $ret;
+}
+
+sub zmore {
+        ${$_[0]} .= $_[1];
+        undef;
+}
+
+sub zflush { translate($_[0], $_[1]) }
+
  1;