digest-mailer.in: print summary of all subjects on digest mail

1 files changed, 14 insertions, 0 deletions

diff --git a/digest-mailer.in b/digest-mailer.in
index 43197d6..8d585f7 100644
--- a/digest-mailer.in
+++ b/digest-mailer.in
@@ -178,6 +178,20 @@ fi
   counter=1
   printf '%s\n' "${to_send}" | \
     while read -r file; do
+      sed -n '
+        s/^Subject:\s*//
+        T
+        p
+      ' "${file}"
+    done | \
+    sort | \
+    uniq -c | \
+    sort -k1nr,1 -k2,2 | \
+    sed '
+      s/^\s*\([0-9]\+\)\s\+/\1: /
+    '
+  printf '%s\n' "${to_send}" | \
+    while read -r file; do
       date=$(
         printf '%s\n' "${file##*/}" | \
           cut -d. -f3