update,

SQL/Assessment1/ER/dot2.bat

@@ -0,0 +1,26 @@
+@echo off
+
+setlocal
+
+if [%2] equ [] (
+   echo dot2 ext dotfile
+   exit /b
+)
+
+set extension=%1
+set dotFile=%2
+set dotFile_=%~n2%
+
+if not exist %dotFile% (
+  echo %dotFile% does not exist
+  exit /b
+)
+
+dot -T%extension% -o%dotFile_%.%extension% %dotFile%
+
+if %errorlevel% neq 0 (
+  echo ErrorLevel: %errorlevel%
+  exit /b
+)
+
+@REM start %dotFile_%.%extension%