#!/bin/sh
# events.sh
# Copyright (c) 2008 Peter Kuyarov, All rights reserved
#
#Thu Sep 11 09:51:03 MDT 2008 - 0.5
#	finished the weekly/monthly/yearly intergration of events
#	currently date has to be starting from beginning of line
#	in the following format: ^2008x12x31-[weekly|monthly|yearly]
#	where x=any character, and 'weekly' is day of week:
#	XXXXXXXXXX-Tuesday	test weekly-date is ignored
#	XXXXXXX.13-monthly	test monthly-year,month is ignored
#	XXXX.09.14-yearly		test yearly-year is ignored
#Wed Sep 10 14:46:06 MDT 2008 - 0.3
#	changed $dateformat to $yrdateformat
#	 will have weekly/montly/yearly events
#Thu Sep  4 14:48:04 MDT 2008 - 0.1
#events.sh
#	this will scan through file looking for upcoming/current dates/events		
#	events are put one per line starting with date in $dateformat format
#	 by default in '+%m.%d' format
#	will scan/notify $daysforward to notify of upcoming events
#		'2008.08.16 eventX'
#		'2003/01/16 Janu 16th 2008 event Y'
#		'1990-10-23 1990 October 23rd - event Z'
#	year are ignored, only looking at month and day values
#
# this was written to not have to put in tons of cronjobs for reminders,
#   now getting all birthdays, special dates in one file/location
#   and just have this one script in cron to run nightly
#
# scripts@pknet.net
# http://peterk.org/scripts/
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin
export PATH

#
# start config variables
#

# events file
eventsfile="~/birthdays.txt"

# how many days forward to look for events
#  counting starts with 0
daysforward=5

#
# end config variables
#

# date format that this script should look for
# currently only supports 2008x12x31 format
wkdateformat='+^[0-9][0-9][0-9][0-9].[0-9][0-9].[0-9][0-9]-%a'
mndateformat='+^[0-9][0-9][0-9][0-9].[0-9][0-9].%d-monthly'
yrdateformat='+^[0-9][0-9][0-9][0-9].%m.%d-yearly'

if [ ! -f $eventsfile ]
then
	echo "$eventsfile does not exist, exiting"
	exit 1
fi


count=0
while [ $count != $daysforward  ]
do
	for dateformat in $wkdateformat $mndateformat $yrdateformat;
	do
		date=`date -v +${count}d "$dateformat"`
		grep $date $eventsfile
#		echo "  $date "
	done
	count=$(($count+1))
done