PS Script is exporting an empty CSVs

Question

I am having a helluva time trying to understand why this script is not working as intended. It is a simple script in which I am attempting to import a CSV, select a few colu

Answer 1

So I have figured it out. I was attempting to pipe through the Import-Csv cmdlet directly instead of declaring it as a variable in the o.g. code. Here is the code snippet that gets what I wanted to get done, done. I was trying to pipe in the Import-Csv cmdlet directly before, I simply had to declare a variable that uses the Import-Csv cmdlet as its definition and pipe that variable through to Select-Object then Export-Csv cmdlets. Thank you all for your assistance, I appreciate it!

$RootPath = "\someDirectory\"
$CsvFilePaths = @(Get-ChildItem $RootPath -Recurse -Include *.csv)
$ColumnsWanted = @('Test_Name','Test_DataName','Device_Model','Device_FW','Data_Avg_ms','Data_StdDev')
for($i=0;$i -lt $CsvFilePaths.Length; $i++){
  $csvPath = $CsvFilePaths[$i]
  Write-Host $csvPath
  $importedCsv = Import-CSV $csvPath 
  $importedCsv | Select-Object $ColumnsWanted | Export-CSV $csvPath -NoTypeInformation
}