technicalflaw · April 24, 2019 17:51 · Apr 24, 2019
diff --git a/splitmbox.py b/splitmbox.py
@@ -0,0 +1,90 @@
+#! /usr/bin/env python
+""" Split a Unix-style mailbox into individual files
+
+Written by Aquarius <[email protected]>
+Usage: splitmbox.py <mailbox-file> <directory>
+
+This will create files numbered 01,02,03... in <directory>. The
+number of prefixed zeroes will make all filenames in the
+directory the same length. """
+
+import mailbox,sys,getopt,string,os
+
+VERSION = '0.1'
+USAGE = """Usage: splitmbox.py [ OPTION ] <mailbox-file> <directory>
+
+   -h, --help
+            Show this help text and exit
+   -v, --version
+            Show file version and exit
+
+This will create files numbered 01,02,03... in <directory>. The
+number of prefixed zeroes will make all filenames in the
+directory the same length. """
+
+
+try:
+    optlist, args = getopt.getopt(sys.argv[1:],'hv',['help','version'])
+except getopt.error, error_text:
+    print error_text,'\n'
+    print USAGE
+    sys.exit(1)
+
+for tuple in optlist:
+    if tuple[0] == '-h' or tuple[0] == '--help':
+        print USAGE
+        sys.exit(0)
+    if tuple[0] == '-v' or tuple[0] == '--version':
+        print VERSION
+        sys.exit(0)
+
+if len(args) != 2:
+    print USAGE
+
+mbox_fname, output_dir = args
+if output_dir[-1] != '/': output_dir = output_dir + '/'
+
+# Make the output directory, if required
+try:
+    os.mkdir(output_dir)
+except os.error,ertxt:
+    if string.find(str(ertxt),'File exists') == -1:
+        print 'Failed to create or use directory',output_dir,'[',ertxt,']'
+        sys.exit(1)
+
+try:
+    mbox_file = open(mbox_fname)
+except:
+    print "Failed to open file",mbox_fname
+    sys.exit(1)
+
+mbox = mailbox.UnixMailbox(mbox_file)
+
+# Find out how many messages in the mailbox
+count = 0
+while 1:
+    msg = mbox.next()
+    if not msg: break
+    count = count + 1
+
+# Now do it again, outputting files
+
+mbox_file.close()
+mbox_file = open(mbox_fname)
+mbox = mailbox.UnixMailbox(mbox_file)
+
+digits = len(str(count))
+count = 0
+while 1:
+    msg = mbox.next()
+    if not msg: break
+    count = count + 1
+    fname = output_dir+('0'*digits+str(count))[-digits:]
+    outfile = open(fname,'w')
+    for s in msg.headers:
+        outfile.write(s)
+    outfile.write('\n')
+    for s in msg.fp.readlines():
+        outfile.write(s)
+    outfile.close()
+