#! /bin/sh

#   Copyright (c) 2002,3 Martin Schulze <joey@infodrom.org>
#
#   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; version 2 dated June, 1991.
#
#   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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.

revision='$Revision: 1.8 $'

dir=$HOME/etc/atfile
today=`date +%Y-%m-%d`
today_=`date +%Y%m%d`
sendmail=/usr/sbin/sendmail

if [ -d /var/joey/fortunes ]; then
    fortunes=/var/joey/fortunes
elif [ -d /org/infodrom.org/fortunes ]; then
    fortunes=/org/infodrom.org/fortunes
fi

cd $dir

# Globbing, find all relevant files
#
files=`echo ${today}* ${today_}*`

# Process all files, but test if they exist
#
for f in $files
do
    case $f in
	*~)
	    rm -f "$f"
	    break;;
    esac
    
    if [ -f $f ]
    then
	subject=; from=; to=
	test "$TERM" == "dumb" || echo Processing $f

	if ! sed '/^$/,$d' $f | grep -q "^Subject: "; then
	    subject="Subject: Reminder for $today"; fi
	if ! sed '/^$/,$d' $f | grep -q "^From: "; then
	    from="From: $LOGNAME (Infodrom Reminder)"; fi
	if ! sed '/^$/,$d' $f | grep -q "^To: "; then
	    to="To: $LOGNAME"; fi

	(
	    test -z "$to" || echo $to
	    test -z "$from" || echo $from
	    test -z "$subject" || echo $subject
	    echo "Content-Type: text/plain; charset=iso-8859-1"
	    echo "X-atfile: $f $revision"

	    # Check if there needs to be an empty line
	    test -z "$to" -o -z "$from" -o -z "$subject" || echo

	    cat $f
	    echo; echo "-- "
	    /usr/games/fortune -s $fortunes
	) | $sendmail -t
	rm -f $f
    fi
done