一个空格还是一个tab?
回复内容:
一个空格还是一个tab?
默认是tab,在cut
命令里可以用-d
选项显式指定分隔符。
比如:cut -f1 test.txt
就是默认用tab切分文本文件,取出第一列。
如果是cut -d' ' -f1 test.txt
则是把空格作为列的切分符。
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