GNU coreutils comm is amazing
Most people know sort and uniq (or even diff) and usually use a mix of these tools when comparing two files. However sometimes, there is a shorter solution than piping different commands together: comm is your answer! The comm(1) command is one of the most powerful but also underused text tools in the coreutils package. Comm’s manpage description is as simple as it gets: “compare two sorted files line by line”. … Read More »GNU coreutils comm is amazing