[Email tagger] Used from a procmail filter to tag email, using the X-Tags header. Reads email from stdin. Writes tagged email to stdout. Usage: addTags.sh tag1 tag2 tag3 ... #email #procmail

addTag.sh

#!/bin/bash

if [ -z "$1" ]
    then
    cat
    exit
fi

tmp=$(mktemp -t addTag.XXXXXX)

cat > $tmp

tags="$(formail -z -x X-Tags: <$tmp)"

while [ $# -ne 0 ]
do
	if ! echo "$tags" | grep "$1" >/dev/null
	then
		[ -z "$tags" ] && newtags=$1 || newtags="$tags $1"
		formail -I "X-Tags: $newtags" <$tmp >$tmp.2
		mv $tmp.2 $tmp
		tags="$(formail -z -x X-Tags: <$tmp)"
	fi
	shift
done
cat $tmp

rm $tmp

##
## addTag.sh
## 
## Made by Dan Jones
## Email   <dan@danielrayjones.com>
## 
## Started on  Thu Nov  8 07:53:26 2007 Dan Jones
## Last update Tue Jun 18 22:09:25 EDT 2013 Dan Jones
##
## Gist: 5544912
## 
## Copyright (c) 2013, Daniel Ray Jones
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without modification,
## are permitted provided that the following conditions are met:
##
## 1. Redistributions of source code must retain the above copyright notice, this
##    list of conditions and the following disclaimer.
##
## 2. Redistributions in binary form must reproduce the above copyright notice,
##    this list of conditions and the following disclaimer in the documentation
##    and/or other materials provided with the distribution. 
##
## 3. The name of the author may not be used to endorse or promote products derived
##    from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
## SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
## OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
## IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
## OF SUCH DAMAGE.