netbenton

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (a.txt) do (set v=%%i&call :lp)
for /l %%i in (0 1 %n%) do (echo.!#%%i!)
pause&goto :eof

:lp
for /l %%a in (0,1,100) do (if "!v:~%%a,1!"=="" (set n=%%a&goto :eof) else (set #%%a=!#%%a!!v:~%%a,1!))
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