add solutions

zz-solutions/04-Lissajous/Scripts/cleanScratch.bat

@@ -0,0 +1,39 @@
+::==============================================================================
+:: cleanScratch.bat
+:: Clean scratch directory
+::
+:start
+  @echo off
+  setlocal
+  set cmd_location="%~dp0"
+  pushd %cmd_location%
+  set SEPARATOR=--------------------------------------------------------------------------------
+  set INDENT="  "
+
+  echo %SEPARATOR%
+  echo -- %~nx0 Started!
+  echo.
+
+::------------------------------------------------------------------------------
+:: Delete scratch directory
+::
+if "%SCRATCH_DIR%" == "" (
+  set SCRATCH_DIR=C:\temp\eda\
+)
+
+echo Delete scratch directory %SCRATCH_DIR%
+if exist %SCRATCH_DIR% (
+  echo    Scratch directory found, deleting!
+  rmdir /S /Q "%SCRATCH_DIR%"
+) else (
+  echo    Scratch directory not found!
+)
+
+:end
+  echo.
+  echo -- %~nx0 Finished!
+  echo %SEPARATOR%
+  echo. && echo.
+  popd
+  endlocal
+  goto:eof