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# pm-jadup.rc -- Procmail: Handle duplicates; store to separate folder
#
# File id
#
# Copyright (C) 1997-2010 Jari Aalto
#
# 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 2 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 at
# <http://www.gnu.org/copyleft/gpl.html>.
#
# Description
#
# This recipe stores duplicate messages to separate folder
#
# Required settings
#
# PMSRC must point to source directory of procmail code. This subroutine
# will include
#
# o pm-javar.rc
# o pm-jastore.rc
#
# Call arguments (variables to set before calling)
#
# o JA_ID_CACHE, Where to keep the Message-Id cache.
# o JA_ID_CACHE_SIZE, how big cache, defualt is 8192
# o JA_ID_MBOX, where to store duplicate messages
# when delivering message to duplicate mbox.
# o JA_ID_IGNORE, if set to "yes", then ignore duplicate check
#
# Return values
#
# o Variable ERROR is set to "yes" if duplicate message was trapped,
# otherwise value is "no"
#
# Usage Example
#
# For simple usage, just put this somewhere after backup recipes
#
# RC_DUP = $PMSRC/pm-jadup.rc
# ...
# INCLUDERC = $RC_DUP
#
# When you are testing messages, you send them over and over to
# .procmailrc; which means that same message should not be trapped by
# duplicate check. You can call `procmail' with option "-a test" which will
# set pseudo variable `$1'. The recipe below sets flag `JA_ID_IGNORE'
# to "yes" if test is on going and the duplicate filter should be
# bypassed.
#
# RC_DUP = $PMSRC/pm-jadup.rc
# ARG = $1 # Copy pseudo variable to $ARG
#
# :0
# * ARG ?? test
# {
# JA_ID_IGNORE = "yes"
# }
#
# # Some microsoft product is known to send same message ids
# # over and over. If we detect one, tunr off the duplicate test,
# # because it would trash every message.
# # <MAPI.Id.0016.00666479202020203030303430303034@MAPI.to.RFC822>
#
# :0
# * ! ^X-msmail
# * ! ^Message-ID: *<MAPI.*@MAPI.to.RFC822>
# {
# JA_ID_IGNORE = "yes"
# }
#
# # Run this command every time a duplicate message is found.
# # It writes a small log entry to MY_LOG
#
# INCLUDERC = $RC_DUP
#
# :0 hwic:
# * ERROR ?? yes
# | echo " [duplicate]" >> $BIFF
#
# Change Log: (none)
# ............................................................ &code ...
id = "pm-jadup.rc"
dummy = "
========================================================================
$id: init:
"
:0
* ! WSPC ?? ( )
{
INCLUDERC = $PMSRC/pm-javar.rc
}
# ..................................................... &output-vars ...
# output variables
ERROR = "no"
# .......................................................... &public ...
JA_ID_CACHE = ${JA_ID_CACHE:-"$HOME/pm-msgid.cache"}
JA_ID_CACHE_SIZE = ${JA_ID_CACHE_SIZE:-8192}
JA_ID_MBOX = ${JA_ID_MBOX:-"junk.duplicates"}
JA_ID_IGNORE = ${JA_ID_IGNORE:-"no"}
# ........................................................... &do-it ...
# We need regional lock, because `formail' is run in condition statement.
jaDupLOCKFILE = $LOCKFILE # save old lockfile
LOCKFILE = ${JA_ID_CACHE}.lock
:0
* ^Message-Id:
* JA_ID_IGNORE ?? no
* ? $FORMAIL -D $JA_ID_CACHE_SIZE $JA_ID_CACHE
{
ERROR = "yes" # Flag duplicate to caller
MBOX = $JA_ID_MBOX
INCLUDERC = $PMSRC/pm-jastore.rc
}
LOCKFILE = $jaDupLOCKFILE # restore value
dummy = "$id: end: (DUPLICATE status = $ERROR)"
# end of file
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