List all folders with full path that are older than the start of this week - the folders are named with the dateformat "yyyyMMddHHmmss"

list_temp_folders.ps1

################################################
#
# PREPARATION / ASSEMBLIES
#
################################################

# Load scriptpath
if ($MyInvocation.MyCommand.CommandType -eq "ExternalScript") {
    $scriptPath = Split-Path -Parent -Path $MyInvocation.MyCommand.Definition
} else {
    $scriptPath = Split-Path -Parent -Path ([Environment]::GetCommandLineArgs()[0])
}

cd $scriptPath


################################################
#
# CLEAN FOLDERS
#
################################################

$diffToStartOfWeek = ( [datetime]::Now.DayOfWeek.value__ - 1 ) * -1
$startOfWeek = [datetime]::Now.AddDays($diffToStartOfWeek)

cd "C:\xyz"

Get-ChildItem -Path ".\" -Directory | ForEach {
    
    $folderTimestamp = [datetime]::ParseExact($_.BaseName, "yyyyMMddHHmmss", $null)
    $timespan = New-TimeSpan -Start $startOfWeek -end $folderTimestamp
    
    if ( $timespan.Days -lt 0 ) {
        $_.FullName  
    }

}