LINUX CUT命令的介绍

LINUX CUT命令的介绍

　　使用cut命令获取文档中的某一列的数据，例如下面的文件cut.tab中间使用tab键分隔，这里要想只显示第3个列区域的内容，可以使用 cut -f3 cut.tab实现。下面学习啦小编就跟大家说说LINUX CUT命令的说明，欢迎大家阅读!!!

　　LINUX CUT命令的介绍

　　1用命令vi cut.tab创建一个cut.tab的文件

　　2在cut.tab文件中输入如下内容，单词之间用tab作为分隔符。

　　3输入:wq保存，并退出

　　4cat查看cut.tab文件的所有内容

　　[lele@Oracle ~]$ cat cut.tab

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　one two three four five six seven

　　5使用cut命令，带上-f参数，例如下面是要查看cut.tab文件的第3列的内容

　　[lele@Oracle ~]$ cut -f3 cut.tab

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　three

　　参数-f3的意思就是以tab键的空格为分隔符，截取第3段

　　6用cat cut.tab查看文件中的内容，如果不保存，最后输入:q即可退出。