@ECHO OFF
ECHO Hello World

@ECHO OFF

REM Gibt die Zahlen 0-99 aus
REM Diese Datei muß numbers.bat heißen

IF "%1" == ""       GOTO outer
IF "%1" == "output" GOTO output
IF "%1" == "inner"  GOTO inner
GOTO exit


:inner
FOR %%i IN (0 1 2 3 4 5 6 7 8 9) DO CALL numbers output %2 %%i
GOTO exit


:outer
FOR %%i IN (0 1 2 3 4 5 6 7 8 9) DO CALL numbers inner %%i
GOTO exit


:output
IF "%2" == "0" ECHO %3
IF NOT "%2" == "0" ECHO %2%3


:exit