Get-ChildItem \\server_a\c$ -Recurse | % {
$dest = Join-Path -Path \\server_b\c$ -ChildPath (Split-Path $_.FullName -NoQualifier)
if (!(Test-Path $dest))
{
mkdir $dest
}
Copy-Item $_.FullName -Destination $dest -Force
}
Split-Path -NoQualifier . ( ) .