A PowerShell script by Leniel Macaferi to add a header to all .cs files in a directory

gistfile1.ps1

param($target = "C:\MyProject", $companyname = "My Company", $date = (Get-Date)) 
$header = "//----------------------------------------------------------------------- 
// <copyright file=""{0}"" company=""{1}""> 
// Copyright (c) {1}. All rights reserved. 
// <author>Leniel Macaferi</author> 
// <date>{2}</date> 
// </copyright> 
//-----------------------------------------------------------------------`r`n" 

function Write-Header ($file) 
{ 
  $content = Get-Content $file 
  $filename = Split-Path -Leaf $file 
  $fileheader = $header -f $filename,$companyname,$date 
  Set-Content $file $fileheader 
  Add-Content $file $content 
} 

Get-ChildItem $target -Recurse | ? { $_.Extension -like ".cs" } | % ` 
{ 
  Write-Header $_.PSPath.Split(":", 3)[2] 
}