Convert Apple IMAP Mail Spool to MBOX format

From Simson Garfinkel
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I lost some email. My TimeMachine backup has the mail in the IMAP cache, so I wrote this program to convert the Apple IMAP Mail Spool cache to MBOX format. Once in MBOX format you can re-import through Apple Mail.


import os,email,mailbox,os.path,sys


if os.path.exists(sys.argv[2]):
    print sys.argv[2],"exists."

out = open(sys.argv[2],"w")

if __name__=="__main__":
    for (dirpath,dirnames,filenames) in os.walk(indir):
        for filename in filenames:
            if filename.endswith(".emlx"):
                fn = dirpath+"/"+filename
                print fn
                msg = "\n".join(open(fn,"r").read().split("\n")[1:])
                em = email.message_from_string(msg)