去掉字符串头所有的0的批处理

@echo off 
:: 去掉字符串头所有的0 
:: 
for /f "delims=0 tokens=*" %%i in ("0009029") do echo %%i 
pause>nul 
goto :eof
@echo off 
:: code by jm 2006-10-20 CMD@XP 
set var=0002304500 
:intercept 
set var=%var:*0=% 
if "%var:~0,1%"=="0" goto intercept 
echo %var% 
pause
 
@echo off 
:: 去掉字符串头所有的0 
:: 
set x=00010280 
call :sub %x% 
echo %y% 
pause 
goto :EOF 
:sub 
set y=%1 
if "%y:~0,1%"=="0" call :sub %y:~1% 
goto :EOF
@echo off 
:: 去掉字符串头所有的0 
:: set count=-1必须用-1而不能用0 
:: 
set num=0003 
set count=-1 
setlocal enabledelayedexpansion 
:loop 
set /a count+=1 
if "!num:~%count%,1!"=="0" goto loop 
echo !num:~%count%! 
pause