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How can I get the powershell "mkdir" command to act exactly like Linux's mkdir -p command?
Under Linux, mkdir -p will create nested directories, but only if they don't exist already. For example, suppose you have a directory /foo that you have write permissions for. mkdir -p /foo/bar/baz creates bar and baz within bar under existing /foo. You run the same command over again, you will not get an error, but nothing will be created.
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The mkdir (make directory) command in the Unix, DOS, DR FlexOS, IBM OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory. It is also available in the EFI shell and in the PHP scripting language. In DOS, OS/2, Windows and ReactOS, the command is often abbreviated to md . mkdir.
Linux Directories mkdir -p With the help of mkdir -p command you can create sub-directories of a directory. It will create parent directory first, if it doesn't exist. But if it already exists, then it will not print an error message and will move further to create sub-directories.
mkdir -p means: create the directory and, if required, all parent directories. The fact that this makes little sense when the path is specified as . , so the current working directory, does not change this. Most likely the line where the path is defined is meant to be adapted as required.
For the mkdir function, the -path parameter tells the function the path to create. -path is also by default the first argument to the function if no explicit parameters are provided. So calling the function with -p ( -path ) and without -p are exactly the same thing as far as the function is concerned.
You can ignore errors in PowerShell with the -ErrorAction SilentlyContinue parameter (you can shorten this to -ea 0). The full PowerShell command is
New-Item /foo/bar/baz -ItemType Directory -ea 0
You can shorten this to
md /foo/bar/baz -ea 0
(You can also type mkdir instead of md if you prefer.)
Note that PowerShell will output the DirectoryInfo object it creates when using New-Item -ItemType Directory (or the md or mkdir aliases). If you don't want any output, you can pipe to Out-Null.
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