From fdd945ab9f62b80fad370a6469c35a2eb6aba7e7 Mon Sep 17 00:00:00 2001
From: Michael Weiss
Date: Sat, 8 Aug 2020 16:30:26 +0200
Subject: scripts/mailing-list-member-retirement: Add a Bash script to find
 inactive list members

Might make sense to implement that part in Go as well, but that would
make the binary less flexible (e.g. [0] for statistics).

[0]: ./mailing-list-active-members -mbox fsi.mbox -since 2019-08-01 2> /dev/null | sort | uniq -c | sort -h
---
 .../find-inactive-members.sh                       | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100755 scripts/mailing-list-member-retirement/find-inactive-members.sh

(limited to 'scripts/mailing-list-member-retirement/find-inactive-members.sh')

diff --git a/scripts/mailing-list-member-retirement/find-inactive-members.sh b/scripts/mailing-list-member-retirement/find-inactive-members.sh
new file mode 100755
index 0000000..b61da1f
--- /dev/null
+++ b/scripts/mailing-list-member-retirement/find-inactive-members.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+#readonly LIST_NAME="$1"
+#readonly SINCE="$2"
+
+readonly MBOX="$1" # /var/lib/mailman/archives/private/fsi.mbox/fsi.mbox
+readonly LIST_MEMBERS_FILE="$2" # list_members fsi > members.txt
+readonly SINCE="$3"
+
+readonly TMPDIR="$(mktemp -d --suffix=find-inactive-members)"
+readonly ACTIVE_MEMBERS_FILE="active-members.txt"
+readonly ALL_MEMBERS_FILE="all-members.txt"
+
+./mailing-list-active-members -mbox "$MBOX" -since "$SINCE" 2> /dev/null \
+  | sort -u > "$TMPDIR/$ACTIVE_MEMBERS_FILE"
+
+sort "$LIST_MEMBERS_FILE" > "$TMPDIR/$ALL_MEMBERS_FILE"
+
+echo "Inactive members:" >&2
+
+diff "$TMPDIR/$ALL_MEMBERS_FILE" "$TMPDIR/$ACTIVE_MEMBERS_FILE" \
+  | grep -E "^< " | sed "s/^< //"
+
+rm "$TMPDIR/$ACTIVE_MEMBERS_FILE"
+rm "$TMPDIR/$ALL_MEMBERS_FILE"
+rmdir "$TMPDIR"
-- 
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