The comm command shows the lines unique to file_1 and file_2 along with the common lines in them. We can use various options while using the command in the scripts:
$ cat file_1 Barack Obama David Cameron Narendra Modi $ cat file_2 Barack Obama Angela Markel Vladimir Putin $ comm --nocheck-order file_1 file_2 Barack Obama David Cameron Engela Merkel Narendra Modi Vladimir Putin
In the preceding example, we can see the following:
- The first column shows the unique lines in file_1
- The second column shows the unique lines in file_2
- The last column shows the content common to both files
The output shows that the unique lines in file_1 are David Cameron and Narendra Modi. The unique lines in the second file are Engela ...