545810831

@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set a=%%i
call :sta
)
pause
:sta
set a=!a:0a=a!
echo !a!|findstr "0a">nul &&goto sta
echo !a!
goto :eof

545810831

出错了

@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set a=%%i
call :sta
)
pause
:sta
set a=!a:0a=a!
echo !a!|findstr "0a">nul &&goto sta 
echo !a! 
goto :eof 
 
  
 
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