From 2c3e5c0ab2eade34bc69588c864eb7d73db8619f Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Tue, 4 May 2010 18:39:54 +1200
Subject: Add splitmboxdaily.

---
 splitmboxdaily | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100755 splitmboxdaily

(limited to 'splitmboxdaily')

diff --git a/splitmboxdaily b/splitmboxdaily
new file mode 100755
index 0000000..d337cd2
--- /dev/null
+++ b/splitmboxdaily
@@ -0,0 +1,81 @@
+#!/usr/bin/python2.5
+# splitmboxdaily - split an mbox into new ones, one per day
+# Copyright 2008-2010  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import mailbox, sys, re, time, os
+
+pat = re.compile(r"((Mon|Tue|Wed|Thu|Fri|Sat|Sun), )?"
+		 r" ?(?P<day>\d\d?) "
+		 r"(?P<mon>(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)) "
+		 r"(?P<year>\d\d(\d\d)?) ")
+
+montab = {
+	"Jan": "01",
+	"Feb": "02",
+	"Mar": "03",
+	"Apr": "04",
+	"May": "05",
+	"Jun": "06",
+	"Jul": "07",
+	"Aug": "08",
+	"Sep": "09",
+	"Oct": "10",
+	"Nov": "11",
+	"Dec": "12",
+}
+
+outbox = {}
+
+for filename in sys.argv[1:]:
+	mbox = mailbox.mbox(filename)
+	count = 0
+	start = time.time()
+	for key in sorted(mbox.keys()):
+		msg = mbox[key]
+		m = pat.match(msg["Date"] or "")
+		if m:
+			day = "%02d" % int(m.group("day"))
+			mon = montab[m.group("mon")]
+			year = m.group("year")
+			if int(year) < 10:
+				year = "20" + year
+			elif 88 <= int(year) < 100:
+				year = "19" + year
+		else:
+			year = "unknown"
+			mon = "00"
+			day = "00"
+	
+		name = "%s/%s-%s-%s.mbox" % (year, year, mon, day)
+		if not os.path.isdir("%s" % year):
+		    os.mkdir("%s" % year)
+		if name not in outbox:
+			outbox[name] = mailbox.mbox(name)
+		outbox[name].add(msg)
+
+		count += 1
+		if (count % 10) == 0 or count == len(mbox):
+			sys.stdout.write("\r%5.1f done" % 
+					 (100.0 * count/len(mbox)))
+			duration = (time.time() - start) or 1.0
+			sys.stdout.write(" %6.1f msgs/s" % (count/duration))
+			sys.stdout.write(" %s" % filename)
+			sys.stdout.flush()
+
+	print
+	for box in outbox.values():
+		box.close()
+	outbox = {}
-- 
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