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CODE: [Copy to clipboard][ Last edited by tireless on 2009-2-18 at 17:54 ]@echo off
set file=a.txt
setlocal enabledelayedexpansion
(
for /f "usebackq delims=" %%a in ("%file%") do (
set /a n+=1
if !n!==1 (
echo 第一行
) else if !n!==3 (
echo 第三行
) else if !n!==5 (
echo 第五行
) else if !n!==7 (
echo 第七行
) else echo %%a
)
) > _tmp
move _tmp "%file%"
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