anchor.diff:  
   echo Verifying that %_filename% has MD5 hash %_expected_hash%...
   
  -PowerShell -Command ^
  +PowerShell -NoProfile -Command ^
    "$md5 = New-Object Security.Cryptography.MD5CryptoServiceProvider;"^
    "$file = [System.IO.File]::ReadAllBytes('%_filename%');"^
    "$hash = [System.BitConverter]::ToString($md5.ComputeHash($file));"^
  
positive.code:         AssociateFiles=0 Include_doc=0 Include_debug=0 Include_launcher=0 ^
          Include_tcltk=0 Include_test=0 InstallAllUsers=0 ^
          InstallLauncherAllUsers=0 Shortcuts=0 SimpleInstall=1 ^
  		SimpleInstallDescription="Python for RBTools for Windows" ^
  		TargetDir="%_dep_path%-temp"
      xcopy /EYI "%_dep_path%-temp" "%_dep_path%"
  
      :: Remove the old install from the temp directory, and clean up the
      :: registry files so future installs aren't impacted.
      "%_PYTHON_INSTALLER%" /quiet /uninstall
  )
  
  goto :EOF
  
negative.code:  "} else {"^
   "    Write-Host 'Invalid hash for %_filename%.';"^
   "    exit 1;"^
   "}" < nul || exit /B 1
  
  echo Hash verified.
  
  