Compares lines common to the sorted files
file2. Three-column output is produced: lines unique to
file1, lines unique to
file2, and lines common to both
files. comm is similar to diff in that both commands compare two files. In addition, comm can be used like uniq; that is, comm selects duplicate or unique lines between two sorted files, whereas uniq selects duplicate or unique lines within the same sorted file. A filename of - means standard input, not an option.
Suppress printing of column 1.
Suppress printing of column 2.
Suppress printing of column 3.
Print only lines in column 3 (lines common to
Print only lines in column 2 (lines unique to
Print only lines in column 1 (lines unique to
Compare two lists of top 10 movies and display items that appear in both lists:
comm -12 shalit_top10 maltin_top10