do not fail if there is just a single message

diff --git a/bin/list-postponed-messages b/bin/list-postponed-messages
index d0ee1af951ffe063a3b86225d81dc927682a5268..3562b2fa74d4d8dbd6024533b58953033886595c 100755 (executable)
--- a/bin/list-postponed-messages
+++ b/bin/list-postponed-messages
@@ -61,7 +61,7 @@ for i in $maildirs; do
   echo "$d/cur/"
 done \
   | xargs -I {} find {} -type f \
-  | xargs grep '^X-Postponed:' \
+  | xargs grep -H '^X-Postponed:' \
   | while read i; do
       f="${i%:X-Postponed:*}"
       ts="${i#*:X-Postponed: }"; ts="${ts%% *}"