join
Join lines from two files based on a join field
Usage: join options file1 file2
Standard Input: Used only if a file is given as a dash (–)
Standard Output: Used to display the results
SEE ALSO
 | For more information, see page 285 |
Useful options:
-aN means include all lines in file N.
-jN means use field N rather than 1 as the join field.
-jN M means use field M in file N as the join field.
-o A.B means display field B from file A.
-t means set the field separator to the following character.
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