#!/usr/bin/perl -n
# list codepoints that are in a font, based on list of codes
# output format is suitable for codepoints="" in Wesnoth fonts.cfg
#push @n, hex;
chomp; push @n, $_;
END {
    foreach (sort { $a <=> $b } @n) {
	if ($_ == $last + 1) {
	    $last = $_;
	} else {
	    push @r, ($first == $last) ? "$first" : "$first-$last";
	    $first = $last = $_;
	}
    }
    push @r, ($first == $last) ? "$first" : "$first-$last";
    shift @r; # get rid of blank first element
    print join(",", @r), "\n";
}