ref: a47c75f68e5a33080dc3cee98dfa1cb4e6ace6f4
dir: /sys/src/ape/lib/openssl/crypto/lhash/num.pl/
#!/usr/local/bin/perl
#node 10 -> 4
while (<>)
{
next unless /^node/;
chop;
@a=split;
$num{$a[3]}++;
}
@a=sort {$a <=> $b } keys %num;
foreach (0 .. $a[$#a])
{
printf "%4d:%4d\n",$_,$num{$_};
}