make_ip_del.pl

来自「压缩包中包含LINUX下多个命令的源码」· PL 代码 · 共 23 行

#!/usr/bin/perl -w

use strict;

while (<>) {
	chomp;
	s/^\s*(.*)\s*$/$1/;
	s/\s*#.*$//;
	next if /^$/;
	die "format error: $_" unless (/^([\d\.]+)\/(\d+)\s+([\w\.]+)$/);
	my $m=$2; my $s=$3;
	my ($i1, $i2, $i3, $i4)=split(/\./, $1);
	print "{ ".(($i1<<24)+($i2<<16)+($i3<<8)+$i4)."UL, ".
		(~(0xffffffff>>$m))."UL, \"";
	if ($s =~ /\./) {
		print "$s";
	} else {
		print "whois.$s.net";
	}
	print "\" },\n";
}