However, we'd also like it to only upload files which have changed locally, and automatically recurse into subdirectories while checking for files to upload.
不过我们也希望它可以做到仅上载那些本地修改过的文件，并能够在判断文件上载的时候可以递归的检查其子目录。
The standard cp command is capable of copying entire directory trees if you use the -r command-line option to recurse into subdirectories.
如果您使用-r命令行选项递归到其子目录中，标准的cp命令可用于复制整个目录树。
To extend the search for input files to include subdirectories, add the -recurse option to the command.
如果要将输入文件的搜索扩展为包含子目录，可向命令中添加-recurse选项。
To extend the search for input files to include subdirectories, add the -recurse option to the command.
如果要将输入文件的搜索扩展为包含子目录，可向命令中添加-recurse选项。
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