cmp.1 - 9base - revived minimalist port of Plan 9 userland to Unix
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       cmp.1 (1091B)
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            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 .