Find Common Between Two Files Unix. You have to directories a and b. You may also needs your file to be sorted to comm to work as expected.
If you have sorted files you should take comm nonetheless. Here is the general syntax for this command. The different file comparison commands used in Unix are cmp comm diff dircmp and uniq.
EgCopy differences between two files in unix.
To collect all common lines which should provide an easy solution to your problem. Comm -12 means show only entries that are the same. Gives you the differences of two files what is in 2txt and not in 1txt you could easily do a. -1 suppress column 1 lines unique to FILE1 -2 suppress column 2 lines unique to FILE2 Or using grep command you need to add -x option to match the whole line as a matching pattern.
