From 2e09b15a077fc4f5c8e4189336a534ec88728c13 Mon Sep 17 00:00:00 2001
From: "Paul C. Buetow (mars.fritz.box)" <paul@buetow.org>
Date: Fri, 4 Jul 2014 22:03:17 +0200
Subject: implement cron

---
 src/muttdelay | 42 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/src/muttdelay b/src/muttdelay
index a5a8bf5..3e3213c 100755
--- a/src/muttdelay
+++ b/src/muttdelay
@@ -1,5 +1,45 @@
 #!/usr/bin/env bash
 
+# (c) 2014 by Paul C. Buetow
+
 declare -r VERSION='VERSION_DEVEL'
+declare -r ARG="${1}" ; shift
+declare -r QUEUE="${HOME}/.maildelayed"
+declare -r MAILCMD='msmtp -t'
+
+usage () {
+  cat - <<USAGE >&2
+  Usage: $0 mutt|cron
+USAGE
+}
+
+# Run by a periodic cron job
+cron () {
+  declare -r now=$(date +%s)
+
+  ls "${QUEUE}" |
+  while read mail; do
+    when=$(sed -E 's/^([0-9]+)\..*/\1/' <<< "${mail}")
+    if [ $now -gt $when ]; then
+      $MAILCMD < "${QUEUE}/${mail}" && rm "${QUEUE}/${mail}"
+    fi
+  done
+}
+
+# Run from mutt
+mutt () {
+  echo Not yet implemented
+  exit 3
+}
+
+[ ! -d "${QUEUE}" ] && mkdir "${QUEUE}" && chmod 0700 "${QUEUE}"
+
+case "${ARG}" in
+  cron) cron;;
+  mutt) mutt;;
+  *)    usage;;
+esac
+
+exit 0
 
-echo "This is version $VERSION of the example muttdelay project."
+# vim: filetype=sh
-- 
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