an awk script to convert Apple's reminder lists to plain text

ics2stdout.awk

#!/usr/bin/env awk -f

BEGIN {
	FS = ":"
	RS = "\r\n"
	OFS = "\t"
}

/BEGIN:VTODO/ {
	my_status = ""
	my_summary = ""
}

FNR == 1 {
	# print the filename in uppercase as a header
	ics_name = toupper(FILENAME)

	# basename the path
	sub(/.*\//, "", ics_name)

	# strip file extension
	sub(/\.[^\.]+$/, "", ics_name)
	print ics_name
}

{
	# remove .ics escaping
	gsub(/\\/, "")
}

$1 == "SUMMARY" {
	my_summary = $2

	# join multi line entries
	# any subsequecutive lines beginning with a space is extra text
	getline
	while (substr($0, 1, 1) == " ") {
		my_summary = sprintf("%s%s", my_summary, substr($0, 2, length($0)))
		getline
	}
}

$1 == "STATUS" {
	my_status = $2
}

/END:VTODO/ {
	if (my_status != "COMPLETED") {
		print "[ ]", my_summary
	}
}

/END:VCALENDAR/ {
	print ""
}