主要对txt，csv等文件里的重复内容进行计数操作，并将内容和重复次数保存为cht文件，也可以是txt（需要自己改代码）。-The main TXT, CSV and other files inside the repeat content count operation, and the content and repeat the number of times saved as CHT file, can also be TXT (need to change their own code).