@echo off

SET SOME_VAR="main.cpp"
DEL /S "%SOME_VAR%" || echo "file not found"
SET SOME_VAR="main.cpp.swp"
DEL /S "%SOME_VAR%" || echo "file not found"
SET SOME_VAR=out
RD /S /Q "%SOME_VAR%" || echo "file not found"
CALL :_ex

EXIT /B %ERRORLEVEL%

:_ex
echo >"main.cpp"
echo >"main.cpp.swp"
mkdir "out"
echo >"out\main.o"
echo >"out\a.out"
echo >"out\conf.ini"
EXIT /B 0