如果不保存它(如将它写入一个真正的文件，或者使用shelve模块或数据库)，则程序结束时，它将消失。
It will be gone when the program finishes if you do not take steps to save it (such as writing it to a real file, or using the shelve module or a database).
实际上应用程序调用解析器的时候，在文件结束之前控制权不会返回给应用程序。
In practice when the application calls the parser, it will not return until the end of the file.
如果没有将文件保存为使用UNIX换行符来表示行结束这种格式，则需要将这样的文件转换成本机 UNIX 格式，否则一些命令实用程序不会正确地处理这些文件。
When not saved using the UNIX newline line ends, such files need to be converted into the native UNIX format or else some command utilities will not process them correctly.
循环中应用程序负责反复调用解析器，直到文件结束。
It is the responsibility of the application to call the parser repetitively in a loop until the end of the document is reached.
首先，必须了解现代MacOS应用程序的结构：许多应用程序不是单一文件，而是名称以.app结束的目录。
First, it's important to understand the structure of modern Mac OS applications: Many applications aren't a single file, but directories whose names ends with.app.
转换程序从读入nc代码开始，到输出cl文件结束。
The program starts with NC file input, ends with CL file output.
自此，每行表示进程对资源的请求；当所有进程结束后或文件结束时，程序结束。
Since then, each line that process requests for resources when all or file after the end of the process, the program ends.
在应用程序结束后，对注册表或文件系统的任何更改将不会保留。
Any changes you make to the registry or to the file system will not persist after your application has ended.
在应用程序结束后，对注册表或文件系统的任何更改将不会保留。
Any changes you make to the registry or to the file system will not persist after your application has ended.
应用推荐