Use PowerShell to Create Year and Month Folders in Library

How do you create a year and month folder structure in a SharePoint document library?

Every year, I needed to create a folder structure in a report library that looks like this:

Next Year – 01 …… 12

Using PowerShell I’m able to create the parent folder (year), then create the subfolders (months).

This can be executed using a scheduled task or using a workflow in SharePoint Designer with the help of the iLoveSharePoint add in.

if ((Get-PSSnapin "Microsoft.SharePoint.PowerShell" -ErrorAction SilentlyContinue) -eq $null) {
    Add-PSSnapin "Microsoft.SharePoint.PowerShell"

$spWeb = Get-SPWeb ""
$spDocLib = $spWeb.Lists["TacoReports"]

$yearFolder = (get-date (Get-Date).AddYears(1) -UFormat "%Y")

$targetFolder = $spWeb.GetFolder($spDocLib.RootFolder.ServerRelativeUrl + "/$yearFolder")

if($targetFolder.Exists -eq $false)
    $spFolder = $spDocLib.AddItem("",[Microsoft.SharePoint.SPFileSystemObjectType]::Folder,$yearFolder)

	$i = 1
	While ($i -le 12)
		$subFolder= "{0:D2}" -f $i
		$spSubFolder = $spDocLib.AddItem($spFolder.Folder.ServerRelativeUrl,[Microsoft.SharePoint.SPFileSystemObjectType]::Folder,$subFolder)


Get the current year and add one.
Check if the new folder already exist.
Create the year folder.
Then create the twelve subfolders (one for each month).

Use PowerShell to Create SharePoint Groups

Simple enough, needed to create a few SharePoint groups and thought PowerShell would be the best answer.

$SiteUrl = ""
$Web = Get-SPWeb $SiteUrl

$description = “Super cool stuff”
$permissionLevel = “Read”

$groups = “Group A”, “Group B”, “Group C”

foreach($groupName in $groups)
$web.SiteGroups.Add($groupName, $web.SiteUsers[“domain\SomeUser”], $web.SiteUsers[“domain\SomeUser”], $description)
$group = $web.SiteGroups[$groupName]
$roleAssignment = new-object Microsoft.SharePoint.SPRoleAssignment($group)
$roleDefinition = $web.Site.RootWeb.RoleDefinitions[$permissionLevel]

$web.SiteGroups.Add(name, owner, default user, description)

Type: System.String
A string that represents the new group name.
Type: Microsoft.SharePoint.SPMember
An SPMember object that specifies the owner.
Type: Microsoft.SharePoint.SPUser
An SPUser object that specifies the default user for the group.
Type: System.String
A string that contains a description for the group.

More details:

To get all the uses / groups from a site or web see this post:

Get all Groups and Users in a Site Collection or Web