Linux Command Encyclopedia document editing: Join

Function Description: To connect two files with the same row as the specified field content.

Grammar: join&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-i] [-a<1 or 2>] [-e< string [-o< format [-t< character] [-v<1 or 2>] [-1< Field] [-2< Field] [--help] [--version] [File 1] [File 2]

Supplementary Note: Find two files, specify the same field content of the row, and merge, and then output to the standard output device.

Parameters：
In addition to displaying the original output,-a<1 or 2> displays lines that do not have the same field in the instruction file.
-e< string > If the specified field is not found in file 1 and file 2, the string in the selection is filled in.
Ignore case differences when I or--igore-case compare field content.
-o< format > Displays the results in the format you specify.
-t< characters > Using field-delimited characters.
-v<1 or 2> are the same as-a, but only rows that do not have the same field in the file are displayed.
-1< fields > connections specified in File 1.
-2< fields > connections specified in File 2.
--help display Help.
--version Displays version information.