$CWD = "C:\Users\<user>\Documents\vm_remove"

$CDATE = Get-Date -Format "yyyyMMddHHmmss"

$IFILE = $args[0]
$IFILEN = (Get-Item "$CWD\$IFILE").Basename
$OFILE = "out_vm_remove_$IFILEN-$CDATE.txt"
$PFILE = "processing_$IFILEN-$CDATE.txt"
$RFILE = "vm_removed_$IFILEN-$CDATE.txt"
$RFFILE = "vm_failed_$IFILEN-$CDATE.txt"

Write-Output "" > "$CWD\$OFILE"
Write-Output "" > "$CWD\$PFILE"
Write-Output "" > "$CWD\$RFILE"
Write-Output "" > "$CWD\$RFFILE"

foreach($VM in Get-Content "$CWD\$IFILE") {
  $VM = $VM.trim();
  Get-VM "$VM" | Select Name 2>&1 >> "$CWD\$OFILE"
  if ($?) {
    $HSTATE = $(Get-VMHost $(Get-VM "$VM" | Select VMHost).VMHost | Select ConnectionState).ConnectionState;
    if ($HSTATE -eq "Connected") {
      Write-Output "Remove $VM" | Tee-Object -Append "$CWD\$PFILE"
      Remove-VM -VM "$VM" -DeletePermanently -Confirm:$false 2>&1 >> "$CWD\$OFILE"
      if ($?) {
        Write-Output "Success" | Tee-Object -Append "$CWD\$PFILE"
        Write-Output "Removed $VM" >> "$CWD\$RFILE"
        Start-Sleep -Seconds 12
      }
      elseif (!$?) {
        Write-Output "Failed" | Tee-Object -Append "$CWD\$PFILE"
        Write-Output "Failed to remove $VM" >> "$CWD\$RFFILE"
        Start-Sleep -Seconds 2
      }
    } else {
      Write-Output "Remove $VM" | Tee-Object -Append "$CWD\$PFILE"
      Write-Output "Failed" | Tee-Object -Append "$CWD\$PFILE"
      Write-Output "Failed to remove (vmhost is disconnected) $VM" >> "$CWD\$RFFILE"
      Start-Sleep -Seconds 120
    }
  }
  elseif (!$?) {
    Write-Output "Remove $VM" | Tee-Object -Append "$CWD\$PFILE"
    Write-Output "Failed" | Tee-Object -Append "$CWD\$PFILE"
    Write-Output "Failed to get vm $VM" >> "$CWD\$RFFILE"
    Start-Sleep -Seconds 2
  }
}