自己写的，输入法重码统计工具，对于做输入法开发的人很有帮助，源码简单已修改，可以根据自己的需要进行修改。-Their written input weight code statistics tool for people who do develop useful input method, a simple source code has been modified, can be modified according to their needs.

统计字符数目，编写一个程序，统计一个文件中字符数目-Statistics Number of characters to write a program, a file character statistics