From df40017f5690f4bdd97a22b48724b9a5c67a35ba Mon Sep 17 00:00:00 2001
From: Gustav Eek <gustav.eek@fripost.org>
Date: Sat, 24 Oct 2020 10:06:43 +0200
Subject: [PATCH] [event-participant] Add sorting and unique

---
 event-participant | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/event-participant b/event-participant
index aee33cb..a14e3aa 100755
--- a/event-participant
+++ b/event-participant
@@ -29,7 +29,13 @@ participant="${BASH_REMATCH[2]}"
 [[ "$info" =~ (Date: )([^:]*) ]]
 date=$(date -I -d "${BASH_REMATCH[2]}")
 
-echo "${participant},${date}" | tee -a "$event"
+echo "${participant},${date}" |
+    cat "$event" - |
+    sort -t',' -k 2 -k 1 |
+    uniq |
+    grep -v "^$" \
+        > "$event.sorted"
+mv "$event.sorted" "$event"
 
 # Print summary
 
-- 
2.39.5