yslyxqysl

@echo off
setlocal ENABLEDELAYEDEXPANSION
:ip
set /p ip=input:&cls
echo !ip!|findstr "^[0-9]*$">nul||goto ip 
set /a ip-=1&if not !ip!==0 set "sk=skip=!ip! "
for /f "!sk!delims=" %%i in (aa.txt) do if "!tp!"=="" echo %%i>bb.txt&set tp=Y
pause>nul
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[ 本帖最后由 yslyxqysl 于 2009-1-17 17:59 编辑 ]

yslyxqysl

万一要取"I can do it."呢？