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<title>4.8 Hexadecimal/ASCII dump: option -H</title>
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<h2>
<a name="1204774"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">4.8 Hexadecimal/ASCII dump: option -H</font>
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<a name="1204775"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This option provides a display of the specified files in hexadecimal and ASCII format. The option does not attempt to identify file types and may be used to display any files which the lister has previously identified incorrectly.</font>
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<a name="1204776"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The output takes the form of a hexadecimal representation of the whole of the file content. The display has a similar appearance to that produced by the <font size=2 face=Courier><strong>C</strong></font> option, however, the <font face="Verdana, Arial, Helvetica, sans-serif"><b>C</b></font> option only functions on code found within the file.</font>
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<a name="1204777"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Each file is displayed as a contiguous block of lines, where each line has the format:</font>
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<a name="1204778"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><font size=2 face=Courier><strong><em>address 燗SCII hex 燗SCII characters</em></strong></font></font>
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<a name="1204779"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">where:</font>
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<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1211484"> </a><font size=2 face=Courier><strong><em>address</em></strong></font> is the address of the first byte on the line, expressed as an offset from the start of the file,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1204780"> </a><font size=2 face=Courier><strong><em>ASCII hex</em></strong></font> is the hexadecimal representation of the code,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1204781"> </a><font size=2 face=Courier><strong><em>ASCII characters</em></strong></font> are the ASCII characters corresponding to the hexadecimal code.</font></p>
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<a name="1204782"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">In all cases code is read from left to right. If a value is not printable it is replaced by a dot "<font size=2 face=Courier><strong>.</strong></font>".</font>
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<h3>
<a name="1204788"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Example hexadecimal dump display</font>
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<a name="1206621"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><a href="lister12.htm#1206620"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>Figure⌨️ 快捷键说明
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