File: ucmsort

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#!/usr/local/bin/perl
#
# $Id: ucmsort,v 2.1 2004/08/31 10:55:34 dankogai Exp $
#
use strict;
my @lines;
my ($head, $tail);
while (<>){
    unless (m/^<U/o){
        unless(@lines){
	    $head .= $_;
	}else{ 
	    $tail .= $_;
	}
	next;
    }
    chomp;
    my @words = split;
    my $u = shift @words;
    $u =~ s/^<U//o; $u =~ s/>.*//o;
    push @lines,[ $u, @words ];
}

print $head;
for (sort {
    hex($a->[0]) <=> hex($b->[0]) # Unicode descending order
	or $a->[2] cmp $b->[2] # fallback descending order
	or $a->[1] cmp $b->[1] # Encoding descending order
    }
     @lines) {
    my $u = shift @$_;
    print join(" " => "<U$u>", @$_), "\n";
}
print $tail;
__END__