Upload files into SharePoint document library using PowerShell

This script will iterate all folders and files from local drive(C:\Users\kak5cob\Desktop\MSIK_SCORM) and uploading into SharePoint document library with the same folder structure.

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

 $webUrl = "http://server:1000"
 $docLibraryName = "WBT"
 $RootFolderName = "WBT\Test\Test1"
 $localFolderPath = "C:\Users\kak5cob\Desktop\MSIK_SCORM"
 #Open web and library
 $web = Get-SPWeb $webUrl
 $docLibrary = $web.Lists[$docLibraryName]

 function CreateDirectories($path,$folderName)
{

  $fc = new-object -com scripting.filesystemobject
  $localFolder = $fc.getfolder($path)

  foreach ($file in $localFolder.files)
  {
    $file | select Path

    $folderLocalPath =  $localFolder.Path     

       $pos = $folderLocalPath.IndexOf($lclFolder.name)
       $leftPart = $folderLocalPath.Substring(0, $pos)
       $rightPart = $folderLocalPath.Substring($pos-1)   
       #$rightPart = $rightPart -replace $i.name, ""
       #$rightPart = $rightPart.TrimEnd($i.name)

    #Open file   
    $fileStream = ([System.IO.FileInfo] (Get-Item $file.path)).OpenRead() 
 
    #$parentFolder =  $docLibrary.ParentWeb.GetFolder($docLibrary.RootFolder.ServerRelativeUrl+ $rightPart)
    $parentFolder =  $docLibrary.ParentWeb.GetFolder($RootFolderName+ $rightPart)
    #Add file  
    $spFile = $parentFolder.Files.Add($file.Name, [System.IO.Stream]$fileStream, $true)
    $spFile.Update()
    write-host "File Uploaded:" $spFile.Name
 
    #Close file stream   
     $fileStream.Close();
  }

  foreach ($i in $localFolder.subfolders)
  {
        
       $folderLocalPath =  $i.Path     

       $pos = $folderLocalPath.IndexOf($lclFolder.name)
       $leftPart = $folderLocalPath.Substring(0, $pos)
       $rightPart = $folderLocalPath.Substring($pos-1)   
       #$rightPart = $rightPart -replace $i.name, ""
       $rightPart = $rightPart.TrimEnd($i.name)

        #$folder =  $docLibrary.ParentWeb.GetFolder($folderName)     
        $folder =  $docLibrary.ParentWeb.GetFolder($RootFolderName+ $rightPart)     

        #$subfolder = $docLibrary.AddItem($docLibrary.RootFolder.ServerRelativeUrl+ $rightPart, [Microsoft.SharePoint.SPFileSystemObjectType]::Folder, $i.name)
        $subfolder = $docLibrary.AddItem($RootFolderName+ $rightPart, [Microsoft.SharePoint.SPFileSystemObjectType]::Folder, $i.name)
        $subfolder.Update()
               
        #Recursive call to create child folder
        CreateDirectories $i.Path $i.Name
  }
}

 $fcObject = new-object -com scripting.filesystemobject
 $lclFolder = $fcObject.getfolder($localFolderPath)
 #Create a folder
 $rootfolder =  $docLibrary.ParentWeb.GetFolder($RootFolderName)
 $RootDocfolder = $docLibrary.AddItem($rootfolder.ServerRelativeUrl, [Microsoft.SharePoint.SPFileSystemObjectType]::Folder, $lclFolder.name)
 $RootDocfolder.Update();


CreateDirectories $localFolderPath $lclFolder.name