COMM(1) COMM(1) NAME comm - select or reject lines common to two sorted files SYNOPSIS comm [ -123 ] file1 file2 DESCRIPTION Comm reads file1 and file2, which are in lexicographical order, and produces a three column output: lines only in file1; lines only in file2; and lines in both files. The file name `-' means the standard input. Flag `1', `2', or `3' suppresses printing of the correspond- ing column. EXAMPLE comm -12 file1 file2 Print lines common to two sorted files. SOURCE /sys/src/cmd/comm.c SEE ALSO sort(1), cmp(1), diff(1), uniq(1) Page 1 Plan 9 (printed 11/22/24)