dourong8495 2015-02-11 07:15
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如何在Golang中使用Mkdir创建嵌套目录?

I am trying to create a set of nested directories from a Go executable such as 'dir1/dir2/dir3'. I have succeeded in creating a single directory with this line:

os.Mkdir("." + string(filepath.Separator) + c.Args().First(),0777);

However, I have no idea how to approach creating a predetermined nested set of directories inside of that directory.

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  • doue1925 2015-02-11 07:25
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    os.Mkdir is used to create a single directory. To create a folder path, instead try using:

    os.MkdirAll(folderPath, os.ModePerm)
    

    Go documentation

    func MkdirAll(path string, perm FileMode) error

    MkdirAll creates a directory named path, along with any necessary parents, and returns nil, or else returns an error. The permission bits perm are used for all directories that MkdirAll creates. If path is already a directory, MkdirAll does nothing and returns nil.

    Edit:

    Updated to correctly use os.ModePerm instead.
    For concatenation of file paths, use package path/filepath as described in @Chris' answer.

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