#!/usr/bin/awk -f
# rem2ics by Anthony J. Chivetta <achivetta@gmail.com>
# version 0.1 - 2006-06-09
# Converts output of remind -s to iCalendar
# usage: remind -s | rem2ics
#
# THE FOLLOWING CODE IS RELEASED INTO THE PUBLIC DOMAIN
#
# 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
BEGIN {
    print "BEGIN:VCALENDAR"
    print "VERSION:2.0"
}

$2 == "*" {
    gsub("/","",$1)
    print "BEGIN:VEVENT"
    if ($5 != "*"){
        printf("DTSTART:%dT%02d%02d00\n",$1,$5/60,$5%60)
        printf("DTEND:%dT%02d%02d00\n",$1,$5/60+$4/60,$5%60+$4%60)
        print "SUMMARY:" substr($0,match($0,$7))
    } else {
        printf("DTSTART:%d\n",$1)
        print "SUMMARY:" substr($0,match($0,$6))
    }
    print "END:VEVENT"
}

END {
    print "END:VCALENDAR"
}