COMM(1)COMM(1)

unhandled troff command .CT

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 corresponding 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)