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+#!/bin/sh
+# Curl Gnu Mailman Mailing list archive
+# use with ggm
+
+# steal AGPL-3.0-only licensed code from https://code.librehq.com/ots/ots-tools/-/blob/main/search-mailman-archive
+
+# testing mailing list archives:
+# https://lists.zx2c4.com/pipermail/cgit/
+# https://mailman.nginx.org/pipermail/nginx/
+# only year:
+# https://dianne.skoll.ca/pipermail/remind-fans/
+
+# maybe need "${1%/}"
+url="$1"
+dir="$(basename "$1")_mail_archives"
+
+mkdir "$dir"
+
+# Then parse it to get links to all the gzipped archive files for
+# individual months.
+
+# only tested with monthly and yearly archives, not tested with quarterly
+for month in $(curl -L "$url" \
+	| awk -F'"' '/href="[0-9]{4,4}(-[[:alnum:]]+)?\.txt(\.gz)?">\[/{print $2}'); do
+	{
+		curl -s -L -o "$dir/$month" "$url/$month"
+		echo "Fetched $month..."
+		if [ "${month##*.}" = gz ]; then
+			gunzip "$dir/$month"
+		fi
+	} &
+done
+
+wait