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path: root/2020/day04-2.sh
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#!/bin/sh
valid=0
check() {
	[ \
		"${#byr}" -eq 4 -a "${byr}" -ge 1920 -a "${byr}" -le 2002 -a \
		"${#iyr}" -eq 4 -a "${iyr}" -ge 2010 -a "${iyr}" -le 2020 -a \
		"${#eyr}" -eq 4 -a "${eyr}" -ge 2020 -a "${eyr}" -le 2030 \
	] || return 0
	case "${hgt}" in
		(*cm) [ "${hgt%cm}" -ge 150 -a "${hgt%cm}" -le 193 ] || return 0 ;;
		(*in) [ "${hgt%in}" -ge 59 -a "${hgt%in}" -le 76 ] || return 0 ;;
		(*) return 0 ;;
	esac
	echo "${hcl}" | egrep -q '^#[0-9a-f]{6}$' || return 0
	case "${ecl}" in
		(amb|blu|brn|gry|grn|hzl|oth) ;;
		(*) return 0 ;;
	esac
	[ "${#pid}" -eq 9 ] || return 0
	return 1
}
validate() {
	check
	valid=$((valid + $?))
	unset byr iyr eyr hgt hcl ecl pid cid
}
while :; do
	read -r line
	last=$?
	if [ -n "${line}" ]; then
		for pair in $line; do
			var=${pair%:*}
			val=${pair#*:}
			eval "${var}=${val}"
		done
	else
		validate
	fi
	[ $last -ne 0 ] && break
done
validate
echo $valid
3Move color selection to format.cJune McEnroe 2018-09-13Fix len for format->split at end of stringJune McEnroe 2018-09-13Avoid uninitialized x in uiReadJune McEnroe 2018-09-13Add IRCDefault to colors enumJune McEnroe 2018-09-13Return a format->split even at the end of the stringJune McEnroe 2018-09-13Fix weird tab-complete after commaJune McEnroe 2018-09-13Rewrite UI againJune McEnroe 2018-09-12Add note about C-oJune McEnroe 2018-09-12Use formatParse split to position input cursorJune McEnroe 2018-09-12Factor out IRC formatting parsingJune McEnroe 2018-09-11Add /help equivalent to /manJune McEnroe 2018-09-11Don't render every PM as a pingJune McEnroe 2018-09-11Add urlOpenMatchJune McEnroe 2018-09-10Depend on man.sh for chroot.tar targetJune McEnroe 2018-09-10Set LESSSECURE=1 in man.shJune McEnroe 2018-09-10Add /man commandJune McEnroe 2018-09-10Install man page in chrootJune McEnroe 2018-09-10Install man pageJune McEnroe 2018-09-10Split keys into subsections and document colorsJune McEnroe 2018-09-10Add "blank" lines to chatte.1June McEnroe 2018-09-10Document key bindings in chatte.1June McEnroe 2018-09-08Document slash commands in chatte.1June McEnroe