Trying to create directories with Powershell

Question

I'm trying to create directories at some target location, if they don't exist.

The name of the directory is from another source-location.

for each directory name in C:\some\location
create a new directory of the same name in C:\another\location.

for example.

c:\some\location\
                \apples
                \oranges

to
c:\another\location\
                   \apples
                   \oranges

so in effect i'm recreating all the folders from source -> to -> target. NOT recursive, btw. just top level.

So i've got this so far with PS:

dir -Directory | New-Item -ItemType Directory -Path (Join-Path "C:\jussy-test\" Select-Object Name)

or

dir -Directory | New-Item -ItemType Directory -Path "C:\new-target-location\" + Select-Object Name

and i'm stuck. I'm trying to get that last bit right. but anways, maybe someone has a nicer idea in their head?

one-liner: dir -Path C:\some\location\* -Directory | % { New-Item -ItemType Directory -Path C:\another\location\ -Name $_.Name } — xXhRQ8sD2L7Z
– xXhRQ8sD2L7Z, Commented May 24, 2016 at 2:51

Ryan Bemrose · Accepted Answer · 2016-05-24 02:49:20Z

2

You're very close with your first attempt. The main thing you're missing is how to iterate over the output of Get-Childitem (aka dir). For that, you need to pipe to Foreach-Object

$srcDir = 'c:\some\location'
$destDir = 'c:\another\location'

dir $srcDir -Directory | foreach {
  mkdir (join-path $destDir $_.name) -WhatIf
}

Inside the foreach, the variable $_ holds the current object, and $_.Name selects the Name property. (This also uses mkdir as a substitute for New-Item -Directory, but they're mostly interchangeable).

Once you know what this code is doing, remove the -WhatIf to have it actually create the directories.

answered May 24, 2016 at 2:49

Ryan Bemrose

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