@echo offset Row=set Str=set "Xstr=1993"set "Files=C:WindowsSystem32driversetchosts"set "OutputFiles=C:WindowsSystem32driversetc$"if exist "%Files%" (setlocal enabledelayedexpansionfor /f "delims=" %%a in (%Files%) do ( set/a Row+=1 & set "Str=%%a" ((echo !Str! | findstr /i "!Xstr!">nul) && ( echo Found target text.（发现目标文字！） )) || ( echo !Str!>>!OutputFiles! )))move !OutputFiles! %Files%>nul 2>nulecho Completed （执行完毕）！！pause>nul