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       chewmail - mail archiver


       chewmail [OPTIONS] <MAILBOX> ...


       chewmail is a program for archiving mail. It is inspired by the by the
       Python-based archivemail, but with more useful semantics. All mail is
       archived to the mailbox specified with the --output-box switch, in mbox
       format. It can read mailboxes in mbox, Maildir and MH formats.

       Internally, chewmail uses Mail::Box, so it support file names and URLs
       supported by that module.


       -o mailbox-format, --output-box=mailbox-format
           The mailbox to archive messages to. The mailbox is run through the
           Date::Format module, so it supports all it’s conversion specifiers.
           The date and time is relative to the messages timestamp, or the
           current time if the timestamp is impossible to determine. A sample
           of the conversion specifiers follows:

               %%      PERCENT
               %b      month abbr
               %B      month
               %d      numeric day of the month, with leading zeros (eg 01..31)
               %e      numeric day of the month, without leading zeros (eg 1..31)
               %D      MM/DD/YY
               %G      GPS week number (weeks since January 6, 1980)
               %h      month abbr
               %H      hour, 24 hour clock, leading 0’s)
               %I      hour, 12 hour clock, leading 0’s)
               %j      day of the year
               %k      hour
               %l      hour, 12 hour clock
               %L      month number, starting with 1
               %m      month number, starting with 01
               %n      NEWLINE
               %o      ornate day of month -- "1st", "2nd", "25th", etc.
               %t      TAB
               %U      week number, Sunday as first day of week
               %w      day of the week, numerically, Sunday == 0
               %W      week number, Monday as first day of week
               %x      date format: 11/19/94
               %y      year (2 digits)
               %Y      year (4 digits)

       -d days-old, --days=days-old
           Only archive messages older than than this many days.

       -D date, --date=date
           Only archive messages old than this date. The date can be any date
           understood by Perl’s Date::Parse module.

       -R, --only-read
           Only archive messages that are marked seen or read.

           Synchonize the mailboxes after every message is moved. This will be
           substantially slower but may provide better recovery for some
           mailbox formats in the event of a crash.

           Preserve the atime and mtime of the input mailbox. This only
           affects file-based mailboxes, such as mbox.

       -n, --dry-run
           Go through all the motions of archiving the mail, but don’t
           actually change any mailboxes.

       -v, --verbose
           Output more informational messages. Use multiple times for more

       -q, --quiet
           Don’t output any messages other than error messages.

       -V, --version
           Print the version number then exit.

       -h, --help
           Print usage information then exit.


       Archive two day old messages in inbox to inbox-old:

         chewmail --days 2 -o inbox-old inbox

       Archive read messages to a mailbox named the year-month of the message:

         chewmail --only-read -o %Y-%m inbox


       archivemail(1), Date::Parse, Date::Format, Mail::Box


       Eric Dorland <>