comm.1 (665B)
1 .TH COMM 1 2 .CT 1 files 3 .SH NAME 4 comm \- select or reject lines common to two sorted files 5 .SH SYNOPSIS 6 .B comm 7 [ 8 .B -123 9 ] 10 .I file1 file2 11 .SH DESCRIPTION 12 .I Comm 13 reads 14 .I file1 15 and 16 .IR file2 , 17 which are in lexicographical order, 18 and produces a three column output: lines only in 19 .IR file1 ; 20 lines only in 21 .IR file2 ; 22 and lines in both files. 23 The file name 24 .L - 25 means the standard input. 26 .PP 27 Flag 28 .LR 1 , 29 .LR 2 , 30 or 31 .LR 3 32 suppresses printing of the corresponding 33 column. 34 .SH EXAMPLE 35 .TP 36 .EX 37 comm -12 file1 file2 38 .EE 39 .IP 40 Print lines common to two sorted files. 41 .SH SOURCE 42 .B \*9/src/cmd/comm.c 43 .SH "SEE ALSO" 44 .MR sort (1) , 45 .IR cmp (1), 46 .IR diff (1), 47 .MR uniq (1)