get-childitem *.jpg | 
  foreach { rename-item $_ $_.Name.Replace("bowl", "wooden-bowl-") }


$search = 'help'
$replace_with = 'contact'
$base_dir = 'C:\Users\rosener\Desktop\a-temp\html-files'
$text_file_ext = 'html'

Get-ChildItem $base_dir -Recurse -Include  "*.$text_file_ext" |
    ForEach-Object { (Get-Content $_.FullName) | 
    ForEach-Object {$_ -replace $search, $replace_with} | 
    Set-Content $_.FullName }


Dim firstName, lastName As String
Dim commaPosition As Integer
Dim index As Integer

For index = 2 To 8
  commaPosition = InStr(1, Cells(index, 1), ",", 1)
  lastName = Left(Cells(index, 1), commaPosition - 1)
  firstName = Mid(Cells(index, 1), commaPosition + 2)
  Cells(index, 2) = firstName
  Cells(index, 3) = lastName
Next index