At the bottom of his post, he put it in a downloadable .rar file. Download it and open with Winrar. Then, you can either open that with SCAR, or open with notepad and copy/paste into SCAR.
Then toggle the rs window with the crosshair, and just hit the play button. If you don't have SRL installed, follow this tutorial:
http://www.sythe.org/showthread.php?t=374812&highlight=subversion
hope this helps