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copy 1.txt + 2.txt 3.txt

1.txt,2.txt的内容合到3.txt内

合并mp3

copy /b a.mp3 b.mp3 c.mp3

copy 目录

xcopy a d\ /e

将目录按日期命名

xcopy date “%date:~5,2%%date:~8,2%A”\ /e

“%date:~5,2%” 2010-05-19 取出为:05

定时备份
xcopy E:\IISROOT\BRMFrame "E:\Back\BRMFrame\%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%"\ /e