similarity detection and deletion of outputs

compress_blend_files.bat

@@ -20,6 +20,8 @@ REM Initialize counters and tracking
 set "processed=0"
 set "crashed=0"
 set "skipped=0"
+set "deleted_similar=0"
+set "threshold_percent=10"
 
 REM Create a temporary Python script for compression
 set "TEMP_SCRIPT=compress_blend_temp.py"
@@ -108,7 +110,14 @@ for /f "tokens=1,2,3 delims=:" %%a in (blender_output.txt) do (
         echo     Original: !original_size! bytes
         echo     Compressed: !compressed_size! bytes
         set /a "savings=!original_size! - !compressed_size!"
+        if !original_size! gtr 0 (set /a percent=(savings*100)/original_size) else (set percent=0)
         echo     Savings: !savings! bytes
+        echo     Reduction: !percent!%%
+        if !percent! lss !threshold_percent! (
+            del "!compressed_file!" 2>nul
+            set /a deleted_similar+=1
+            echo     Deleted: too similar to original
+        )
         echo.
     ) else if "%%a"=="CRASH" (
         set /a crashed+=1
@@ -135,6 +144,7 @@ echo ========================================
 echo Processed: !processed! files
 echo Crashed: !crashed! files
 echo Skipped: !skipped! files
+echo Deleted ^(too similar^): !deleted_similar! files
 echo Total: %* files
 echo ========================================
 echo.