#
#   uniqmail
#   This file: Copyright (C) 2000 Wolfgang Rohdewald, wr@poboxes.com
#
#   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.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

# This program needs a current version of grepmail which understands
# the -u option.

set - `ps x | grep kmail | grep -v grep | wc`
if test $1 -gt 0
then
     echo kmail is still running
     exit 1
fi

cd
echo Make sure that all folders in kmail are compacted
echo and that kmail does not run.
#(we might do that here using dcop kmail ... but kmail cannot do that yet)
echo 
echo -n "did you backup $HOME/Mail ? "
read answer
if test "$answer" != yes
then
     echo "Please answer with yes if you want to continue"
     exit 3
fi

#echo -n making backup to /backup/mail.kmail.$$.tgz ...
#tar cfy /backup/mail.kmail.$$.tbz Mail
#echo " done"

cd Mail
(echo ".";find . -name '.*.directory' -print) | while read directory
do
     ls $directory/* 2>/dev/null | while read file
     do
        test -s "$file" || continue
        echo -n $file "... "
        cat "$file" | grepmail -u > "$file.new"
        if cmp "$file" "$file.new" >/dev/null
        then
           rm "$file.new"
           echo nothing changed
        else
           set -- `diff "$file" "$file.new" | grep '^< Message-Id: ' | wc`
           echo $1 duplicates removed
           mv "$file.new" "$file"
           rm -f `dirname "$file"`/.`basename "$file"`.index
        fi
     done
done