Commit | Line | Data |
---|---|---|
cb3f4193 C |
1 | .TH CMP 1 "18 January 1983" |
2 | .SH NAME | |
3 | cmp \- compare two files | |
4 | .SH SYNOPSIS | |
5 | .B cmp | |
6 | [ | |
7 | .B \-l | |
8 | ] [ | |
9 | .B \-s | |
10 | ] | |
11 | file1 file2 | |
12 | .SH DESCRIPTION | |
13 | The two files are | |
14 | compared. | |
15 | (If | |
16 | .I file1 | |
17 | is `\-', | |
18 | the standard input is used.) | |
19 | Under default options, | |
20 | .I cmp | |
21 | makes no comment if the files are the same; | |
22 | if they differ, it announces the byte and line number | |
23 | at which the difference occurred. | |
24 | If one file is an initial subsequence | |
25 | of the other, that fact is noted. | |
26 | .PP | |
27 | Options: | |
28 | .TP 6 | |
29 | .B \-l | |
30 | Print the byte number (decimal) and the | |
31 | differing bytes (octal) for each difference. | |
32 | .TP 6 | |
33 | .B \-s | |
34 | Print nothing for differing files; | |
35 | return codes only. | |
36 | .dt | |
37 | .SH "SEE ALSO" | |
38 | diff(1), comm(1) | |
39 | .SH DIAGNOSTICS | |
40 | Exit code 0 is returned for identical | |
41 | files, 1 for different files, and 2 for an | |
42 | inaccessible or missing argument. |