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<title>cmp(1) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>CMP(1)</b><td align=right><b>CMP(1)</b>
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<p><font size=+1><b>NAME </b></font><br>
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cmp – compare two files<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>cmp</font></tt> [ <tt><font size=+1>−lsL</font></tt> ] <i>file1 file2</i> [ <i>offset1</i> [ <i>offset2</i> ] ]<br>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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The two files are compared. A diagnostic results if the contents
differ, otherwise there is no output.
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The options are:<br>
<tt><font size=+1>l</font></tt> Print the byte number (decimal) and the differing bytes (hexadecimal)
for each difference.<br>
<tt><font size=+1>s</font></tt> Print nothing for differing files, but set the exit status.<br>
<tt><font size=+1>L</font></tt> Print the line number of the first differing byte.
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If offsets are given, comparison starts at the designated byte
position of the corresponding file. Offsets that begin with <tt><font size=+1>0x</font></tt>
are hexadecimal; with <tt><font size=+1>0</font></tt>, octal; with anything else, decimal.<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/cmd/cmp.c<br>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<a href="../man1/diff.html"><i>diff</i>(1)</a><br>
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<p><font size=+1><b>DIAGNOSTICS </b></font><br>
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If a file is inaccessible or missing, the exit status is <tt><font size=+1>open</font></tt>.
If the files are the same, the exit status is empty (true). If
they are the same except that one is longer than the other, the
exit status is <tt><font size=+1>EOF</font></tt>. Otherwise <i>cmp</i> reports the position of the
first disagreeing byte and the exit status is <tt><font size=+1>differ</font></tt>.
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