$csv1 = Import-Csv csv1.csv
$csv2 = Import-Csv csv2.csv
$merged = Merge-Csv -InputObject $csv1,$csv2 -ID "Invoice Number"
$merged | Select "Invoice Date","Invoice Number", @{name="CSV1InvStat";Expression={$_."CSV1 Invoice Status" -Replace "Open"...
03.08.2016 / 22:02