BASEDIR="$HOME/.local/share/Steam/steamapps/common/Portal" HL2DIR="$BASEDIR/hl2" PDIR="$BASEDIR/portal" ./build/desktop-rel-cc/OpenSource \ -d "$PDIR" \ -p "$PDIR/portal_pak_dir.vpk" \ -p "$HL2DIR/hl2_misc_dir.vpk" \ -p "$HL2DIR/hl2_textures_dir.vpk" \ -n 128 \ testchmb_a_00