#!/usr/bin/awk -f

# fch: find a unicode character
# Requires plan9port to be installed at $PLAN9

BEGIN {
	if (ARGC < 2) {
		print "Usage: fch <charname>"
		exit 2
	}
	charname = ARGV[1]
	for (i = 2; i < ARGC; i++)
		charname = charname" "ARGV[i];

	root = ENVIRON["PLAN9"]
	if (length(root) <= 0) {
		print "fch: $PLAN9 not set"
		exit 1
	}
	table = root"/lib/unicode"

	while ((err = getline <table) > 0) {
		if (match($0, charname)) {
			desc = substr($0, length($1)+1, length($0))
			"9 unicode " $1 | getline char; close(char)
			printf "%s%s\n",char,desc
		}
	}
	if (err < 0) { # getline failed
		print "fch: failed to read from " table
		exit 1
	}
}