问题描述
在R中开发软件包时，所有R源文件都放在子目录R/中，所有编译后的代码都放在子目录src/中.
When developing packages in R all R source files are put in the subdirectory R/, and all compiled code is put in the subdirectory src/.
我想在这些文件夹中的文件中添加一些组织，而不是将所有内容都转储到顶层.例如，假设我正在开发一个客户端-服务器应用程序.从逻辑上讲，我想在R/client/中组织所有客户端R源文件，在R/server/中组织所有服务器R源文件.
I would like to add some organisation to files within these folders, rather than have everything dumped at the top level. For example, lets say I'm hypothetically developing a client-server application. Logically, I would like to organise all my client R source files in R/client/ and all my server R source files in R/server/.
开发程序包时是否可以在子文件夹中组织代码，如果可以，怎么办? 编写R扩展手册不提供任何指导，R CMD build也不检测文件存储在R/下的子文件夹中.
Is it possible to organise code in subfolders when developing a package, and if so, how? The Writing R Extensions manual doesn't offer any guidance, nor does R CMD build detect files stored in subfolders under R/.
推荐答案
如果没有其他设置(如定义自定义makefile)，则不能使用子文件夹.最好的办法是使用前缀:client-a.r，client-b.r，server-a.r，server-b.r等.
You can't use subfolders without additional setup (like defining a custom makefile). The best you can do is to use prefixes: client-a.r, client-b.r, server-a.r, server-b.r, etc.
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