cmp.1 (1091B)
1 .TH CMP 1 2 .SH NAME 3 cmp \- compare two files 4 .SH SYNOPSIS 5 .B cmp 6 [ 7 .B -lsL 8 ] 9 .I file1 file2 10 [ 11 .I offset1 12 [ 13 .I offset2 14 ] 15 ] 16 .SH DESCRIPTION 17 The two files are 18 compared. 19 A diagnostic results if the contents differ, otherwise 20 there is no output. 21 .PP 22 The options are: 23 .TP 24 .B l 25 Print the byte number (decimal) and the 26 differing bytes (hexadecimal) for each difference. 27 .TP 28 .B s 29 Print nothing for differing files, 30 but set the exit status. 31 .TP 32 .B L 33 Print the line number of the first differing byte. 34 .PP 35 If offsets are given, 36 comparison starts at the designated byte position 37 of the corresponding file. 38 Offsets that begin with 39 .B 0x 40 are hexadecimal; 41 with 42 .BR 0 , 43 octal; with anything else, decimal. 44 .SH SOURCE 45 .B \*9/src/cmd/cmp.c 46 .SH "SEE ALSO" 47 .IR diff (1) 48 .SH DIAGNOSTICS 49 If a file is inaccessible or missing, the exit status is 50 .LR open . 51 If the files are the same, the exit status is empty (true). 52 If they are the same except that one is longer than the other, the exit status is 53 .LR EOF . 54 Otherwise 55 .I cmp 56 reports the position of the first disagreeing byte and the exit status is 57 .LR differ .