#!/bin/sh

# agenda - scan through the user's .agenda file to see if there 
#   are any matches for the current or next day

agendafile="$HOME/.agenda"

checkDate()
{
  # create the possible default values that'll match today
  weekday=$1   day=$2   month=$3   year=$4
  format1="$weekday"   format2="$day$month"   format3="$day$month$year"

  # and step through the file comparing dates...

  IFS="|"	# The reads will naturally split at the IFS

  echo "On the Agenda for today:"

  while read date description ; do
    if [ "$date" = "$format1" -o "$date" = "$format2" -o "$date" = "$format3" ]
    then
      echo "  $description"
    fi
  done < $agendafile
}

if [ ! -e $agendafile ] ; then
  echo "$0: You don't seem to have an .agenda file. " >&2
  echo "To remedy this, please use 'addagenda' to add events" >&2
  exit 1
fi

# now let's get today's date...

eval $(date "+weekday=\"%a\" month=\"%b\" day=\"%e\" year=\"%G\"")

day="$(echo $day|sed 's/ //g')"	# remove possible leading space

checkDate $weekday $day $month $year

exit 0