该perl脚本用来下载fnl资料，使用方法：2004.pl fnl资料官网账户密码（如果在windows下，需要安装strawberry perl才能运行）
This perl script can be used to download data FNL, use:
2004.pl FNL official data network password (windows installed in order to run the following strawberry perl) (2015-06-09, Perl, 1KB, 下载1次)