R Tutorials for Beginners

dir.create 会创建路径的最后一个元素，除非参数【recursive】= TRUE。路径分隔符尾部将被丢弃。在Windows 环境下，路径指定中允许包含驱动器，除非路径是根 ...

The functions file_create() and dir_create() ensure that path exists; if it already exists it will be left unchanged.

First check if a directory exists. If it does, return TRUE , otherwise create it with dir.create (recursive = TRUE) by default.

dir.create is the base function to create a new directory. rmdir removes an empty directory. clean can be used ...

The functions file_create() and dir_create() ensure that path exists; if it already exists it will be left unchanged. That means that compared to file.create() ...

What I've written below will check for the existence of a directory and move into it, or create the directory and then move into it. Is there a better way to ...

Create a directory in the current working directory called “testdir2” and a subdirectory for it called “testdir3”, all in one command by using dir.create() and ...

One of the idiosyncrasies of Windows is that directory creation may report success but create a directory with a different name, for example dir.create ...

One of the idiosyncrasies of Windows is that directory creation may report success but create a directory with a different name, for example dir.create ...