# MD5Check

=head1 NAME
 
MD5Check - Use it for init Web files's md5 values of your site(or other dir), and check if it changed.

检查web目录（或者其他重要系统目录）md5值，当目录文件变化提醒。用于文件防篡改。 
 
=head1 SYNOPSIS
 
    use MD5Check;
 
## 初始化目录md5值,参数为要监控的目录 

    my $mydir=shift;
    md5init($mydir);

## 对目录文件进行检查，只需输入之前保存的md5 文件值。

    use MD5Check;
    my $mydir=shift; 
    md5check($mydir);

    # oneliner，perl单行程序实现功能。

需要安装该模块，简单通过 cpanm MD5Check 安装。

    $ perl -MMD5Check -e 'md5init("/web")' >file
    $ perl -MMD5Check -e 'md5check(file)'
 
=head1 DESCRIPTION
 
MD5Check - Use it for init Web files's md5 values of your site(or other dir), and check if it changed.
 
MD5Check is not standardized. This module is far from complete.
 
 
=head2 IMPLEMENTATION
     
    use MD5Check;
 
    my $mydir=shift;
    md5init($mydir);
 
    use MD5Check;
    my $mydir=shift; 
    md5check($mydir);

=head1 Git repo
 
L<http://github.com/a3f/MD5Check>
 
=head1 AUTHOR
 
orange C<< <linzhe@ijz.me> >>, L<http://ijz.me>
 
=head1 COPYRIGHT AND LICENSE
 
Copyright (C) 2016 linzhe
 
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
 
=cut