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+#!/bin/sh
+# Grep Gnu Mailman Mailing list archive
+# use with cgm
+
+# 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/
+
+ls --zero | sort -zt- -k1,1n -k2,2.3M | xargs -0 grep -i --color=always "$@"
+# if want reverse sort, put r right after -k1,1n, more see `man sort`, e.g.:
+#ls --zero | sort -zt- -k1,1nr -k2,2.3Mr | xargs -0 grep -i --color=always "$@" | "$PAGER"