anchor.diff:  
   cd package\sample
   
  +REM Remove build artifacts from sample directory.
   rd /S /Q Debug 2>nul
   rd /S /Q ipch 2>nul
   rd /S /Q Release 2>nul
  +rd /S /Q x64 2>nul
   
  +REM Remove output files.
  +del /Q output\scene.obj 2>nul
   del /Q output\test*.* 2>nul
   
  +REM Remove non-deployable files.
   del .gitignore 2>nul
   del /Q *.opensdf 2>nul
   del /Q *.sdf 2>nul
  
positive.code: @echo off
  
  rd /S /Q package 2>nul
  
  mkdir package
  
  xcopy /E bin package\bin\
  xcopy /E include package\include\
  xcopy /E lib package\lib\
  
negative.code: 
  cd ..
  
  REM Generate the package.
  "c:\Program Files\7-Zip\7z.exe" a -r ..\%packageName%
  
  cd ..
  
  REM Remove staging directory.
  rd /S /Q package 2>nul
  
  pause
  