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Originally posted by bjsh at 2007-7-7 12:22 PM: re ls: sed -n "/^.\{1,3\}$/p" test.txt
Originally posted by bd123456789 at 2007-7-7 14:28: 能不能不使用SED 我只作CMD研究 光FINDSTR不行??
@echo off setlocal ENABLEDELAYEDEXPANSION for /l %%a in (1 1 2) do ( for /l %%i in (1,1,%%a) do ( set str=!str!. findstr /x !str! test.txt ) ) pause>nul