shell 编程的一本入门的好书 推荐大家看看 对自己的shell编程能力有个提升-shell programming an entry we take a look at the books recommended for their ability to have a shell program to upgrade

看了好多升级程序，都是只能更新其它的文件，不能更新自己，所以写了这个MFC例子，实现升级程序的自更新。-Read a lot of the upgrade process, all other files can only be updated, can not update themselves, so wrote this MFC example, the upgrade process to achieve self-update.