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@echo off for /l %%i in (0,1,200) do set /p= %%i<nul&ping -w200 127.1.0>nul pause
Originally posted by learner0 at 2008-2-29 11:49 AM: 非也,要求每次产生的字符串的长度都不同,用随机变量也难行呀...... Last edited by learner0 on 2008-2-29 at 11:50 AM ]
C:\>echo %date% %time% 02/29/2008 Fri 13:09:38.73
@echo off cd.>list.txt :loop set/a n+=1 call set str=%%random%% findstr /c:"" list.txt&&goto loop||>>list.txt echo echo %n% %str% if %n% lss 50 goto loop pause