
CODE: [Copy to clipboard]copy ..\楼主是帅哥.txt 2>帅哥是楼主.txt
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CODE: [Copy to clipboard]1。命令本身错误 的出错信息能被"2>"得到;@echo off
echo 参数错误:>帅哥是楼主i.txt
echo ____________________>帅哥是楼主j.txt
echo 命令本身错误:>>帅哥是楼主j.txt
coby ..\楼主是帅哥.txt>>帅哥是楼主i.txt 2>>帅哥是楼主j.txt
::^^
copy 帅哥是楼主i.txt+帅哥是楼主j.txt errsum.txt
msg *<errsum.txt
del 帅哥是楼主i.txt
del 帅哥是楼主j.txt
del errsum.txt
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