Cut paste join

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cut

cut 文件的列,列可以是 tab 分割的列(用 -f 参数),也可以是指定的区段的字符(用 -b 参数)。

paste

  • paste 刚好与 cut 相反,它把多列和在一起。

example:

$ cat names
Tony
Emanuel
...
 
$ cat numbers
(307) 555-5356
(212) 555-3456
 
$ cat addresses
55-23 Vine Street, Miami
39 University Place, New York
 
$ paste names addresses numbers
Tony    55-23 Vine Street, Miami       (307) 555-5356
Emanuel 39 University Place, New York  (212) 555-3456
  • 将多行数据合并到一行,他们间用tab键隔开
$ paste -s names        
Tony    Emanuel Lucy    Ralph   Fred

join

join lines of two files on a common field

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