Script to organize unsorted files to Year/Month folder. [Powershell]

file_organizer.ps1

$sourceDir = ".\"
$destinationDir = ".\"

Get-ChildItem -Path $sourceDir | ForEach-Object {
    if ($_.PSIsContainer -eq $false) {
    
        # Use "MMM-dd" for Jan-01 like format
        $dateModified = $_.LastWriteTime.ToString("yyyy/MM")
                
        $destinationPath = Join-Path -Path $destinationDir -ChildPath $dateModified
        if (-not (Test-Path -Path $destinationPath)) {
            New-Item -ItemType Directory -Force -Path $destinationPath
        }
        Move-Item -Path $_.FullName -Destination $destinationPath
    }
}