archiveDocument是csnjobsamples脚本库中的子过程，它根据CreateCSNJobs中定义的类和方法创建一个存档作业。
ArchiveDocument is a sub in the CSNJobSamples script library that creates an archive job based on the classes and methods defined in CreateCSNJobs.
在创建了一个新的存档文件，或者修改了一个现有的存档文件之后，需要创建存档文件内容的索引，并将其作为该存档文件的一部分进行存储。
After a new archive is created or an existing one is modified, an index of archive contents needs to be created and stored as part of the archive.
tar cf - .对当前目录中的文件创建一个新的存档，输出到标准输出。
Tar cf -. Creates a new archive, to standard output, of the files in the current directory.
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