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makefile: Allow PORTS with level1/2 mix https://sourceforge.net/p/nitros9/feature-requests/10/
author Tormod Volden <debian.tormod@gmail.com>
date Tue, 19 Apr 2022 18:12:17 +0200
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children
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1 <refentry id="cmp">
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2 <refnamediv>
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3 <refname>CMP</refname>
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4 <refpurpose>File Comparison Utility</refpurpose>
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5 </refnamediv>
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6
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7 <refsynopsisdiv>
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8 <cmdsynopsis>
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9 <command>cmp</command>
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10 <arg choice="plain">
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11 <replaceable>file1</replaceable>
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12 </arg>
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13 <arg choice="plain">
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14 <replaceable>file2</replaceable>
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15 </arg>
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16 </cmdsynopsis>
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17 </refsynopsisdiv>
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18
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19 <refsect1><title>Description</title>
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20 <para>
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21 Opens two files and performs a comparison of the binary values of
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22 the corresponding data bytes of the files. If any differences are
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23 encountered, the file offset (address) and the values of the bytes
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24 from each file are displayed in hexadecimal.
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25 </para>
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26 <para>
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27 The comparison ends when end-of-file is encountered on either
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28 file. A summary of the number of bytes compared and the number of
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29 differences found is then displayed.
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30 </para>
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31 </refsect1>
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32 <refsect1><title>Examples</title>
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33 <screen>
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34
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35 OS9: cmp red blue
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36
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37 Differences
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38
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39 byte #1 #2
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40 ======== == ==
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41 00000013 00 01
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42 00000022 B0 B1
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43 0000002A 9B AB
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44 0000002B 3B 36
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45 0000002C 6D 65
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46
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47 Bytes compared: 0000002D
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48 Bytes different: 00000005
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49
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50 OS9: cmp red red
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51
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52 Differences
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53 None ...
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54
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55 Bytes compared: 0000002D
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56 Bytes different: 00000000
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57 </screen>
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58 </refsect1>
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59 </refentry>
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