2002-02-18 00:00:00 +00:00
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<!DOCTYPE html PUBLIC "-//W3C/DTD HTML 3.2 Final//EN">
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2001-01-15 00:00:00 +00:00
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<html><head>
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<title>BVI: Quick Tutorial</title>
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<link rel=stylesheet type="text/css" href="bvi.css">
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</head><body bgcolor="#ffffff" background="gif/bg2.gif">
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<a name="top"></a>
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr><td width="1%" valign="top" align="center">
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2002-02-18 00:00:00 +00:00
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<img src="gif/dot.gif" width="130" height="1" alt="">
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2001-01-15 00:00:00 +00:00
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<hr noshade width="60%">
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<p>
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<a class="thl" href="index.html">Home</a><br>
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</p>
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<p>
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<font color="#ffffff" class="thl">Quick Tutorial<br></font>
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<a class="ths" href="qt_edit.html">Editing Files</a><br>
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<a class="ths" href="qt_search.html">Search Commands</a><br>
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<a class="ths" href="qt_bit.html">Bit-wise Operations</a><br>
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<a class="ths" href="qt_find.html">Find and Replace</a><br>
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<a class="ths" href="qt_yank.html">Yank and Put</a><br>
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<a class="ths" href="qt_set.html">Settings</a><br>
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<a class="ths" href="qt_partial.html">Partial File Read</a><br>
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</p>
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<p>
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<a class="thl" href="download.html">Download</a><br>
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</p>
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<p>
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<a class="thl" href="install.html">Installation</a><br>
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</p>
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<p>
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<a class="thl" href="overview.html">Command Overview</a><br>
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</p>
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<p>
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<a class="thl" href="bmore.html">bmore</a><br>
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</p>
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<p>
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<a class="thl" href="german.html">Deutsche Beschreibung</a><br>
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</p>
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<hr noshade width="60%">
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</td>
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2002-02-18 00:00:00 +00:00
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<td width="1%"><img src="gif/dot.gif" width="40" height="1" alt=""></td>
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2001-01-15 00:00:00 +00:00
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<td width="99%">
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<table width="100%" cellspacing="0" cellpadding="0" border="0">
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<tr><td width="99%">
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<font class="head">Quick Tutorial</font>
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</td>
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<td align="right" valign="bottom" width="116" rowspan="2">
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<a href="index.html">
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<img src="gif/bvi_s.gif" alt="BVI" width="116"
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height="62" border="0"></a>
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</td></tr>
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<tr><td valign="bottom">
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<hr noshade>
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</td></tr></table>
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<p>
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This tutorial will explain all commands which behaves different to
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vi. Note that, if you are on a Linux system, you will probably
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have an 'improved' version of vi. Bvi is more similar to the standard
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version.
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<H3>The Screen</H3>
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<CENTER>
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<TABLE WIDTH=10 CELLSPACING=0 CELLPADDING=0 BORDER=0>
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<TR><TD BGCOLOR=#ffccff><PRE CLASS="examp">
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000000
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00000C
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000018
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000024
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000030
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00003C
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000048
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000054
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000060
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00006C
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000078
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000084
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000090
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00009C</PRE></TD><TD BGCOLOR=#ccffcc><PRE CLASS="examp">
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7F <tt class="inv">4</tt>5 4C 46 01 01
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00 00 00 00 01 00
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00 00 00 00 00 00
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00 00 00 00 34 00
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0C 00 09 00 00 00
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00 00 00 00 55 89
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53 C7 45 A4 00 00
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00 00 00 83 7D 08
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8C 02 00 00 E9 6F
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00 00 00 00 6A 03
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45 08 50 E8 FC FF
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0C 85 D2 75 17 6A
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E9 43 02 00 00 8D
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0C 85 D2 75 0D C7</PRE></TD><TD BGCOLOR=#ccffcc><PRE CLASS="examp">
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01 00 00 00 00 00
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03 00 01 00 00 00
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00 00 0C 07 00 00
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00 00 00 00 28 00
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00 00 00 00 00 00
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E5 83 EC 68 57 56
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00 00 C7 45 A0 01
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00 75 13 6A 00 E8
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02 00 00 8D B4 26
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68 90 00 00 00 8B
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FF FF 89 C2 83 C4
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01 E8 60 02 00 00
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74 26 00 8D BC 27
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45 A0 00 00 00 00</PRE></TD><TD BGCOLOR=#FFCCCC><PRE CLASS="examp">
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.ELF........
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............
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............
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....4.....(.
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............
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....U....hWV
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S.E......E..
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....}..u.j..
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.....o.....&
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....j.h.....
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E.P.........
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...u.j..`...
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.C....t&...'
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...u..E.....</PRE></TD></TR>
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<TR BGCOLOR=#FFFFCC><TD COLSPAN=2 CLASS="examp">"set.o" 3500 bytes</TD>
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<TD COLSPAN=2 ALIGN=RIGHT CLASS="examp"><B>000001 \105 0x45 69 'E'</B></TD></TR>
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</TABLE>
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</CENTER>
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<P>
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The screen is divided into four areas, symbolized by four different
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colors. The magenta area contents the addresses in hexadecimal
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notation. The green area contents the values of the edited file in
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hexadecimal notation. The red area contents the same bytes in ASCII
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representation. The yellow status line displays on the left side the
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current status messages and on the right site the current position
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of the cursor and the value of the byte on this address in octal,
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hexadecimal, decimal and ASCII notation.
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<BR>
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You can toggle between the Hex and ASCII value of the same byte by
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pressing the <FONT COLOR=#AAAAAA><B>TAB</B></FONT> key both in command
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and input mode.
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<H3>Command Line Options</H3>
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There are some additional command line options in <B>bvi</B>:<BR>
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<BLOCKQUOTE>
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<B><TT>-f <I>script</I></TT></B>
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</BLOCKQUOTE>
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This command provides a means for collecting a series of <I>ex</I>
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(colon) commands into a script file, then using this file to edit
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other files. Since there is no binary stream editor <I>bsed</I>, you
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can use this option to make several global changes in a binary file.
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You can do this of course with the <i>source</I> command (<B>:so file</B>)
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from within bvi too.
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<BLOCKQUOTE>
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<B><TT>-b <I>begin</I></TT></B>
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</BLOCKQUOTE>
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This option causes bvi to load a file not from start but from address
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<I>begin</I>.
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<BLOCKQUOTE>
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<B><TT>-e <I>end</I></TT></B>
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</BLOCKQUOTE>
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This option causes bvi to load a file not till end but till address
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<I>end</I>.
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<BLOCKQUOTE>
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<B><TT>-s <I>size</I></TT></B>
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</BLOCKQUOTE>
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This option causes bvi not to load the complete file but only <I>size</I>
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bytes. This option can also be used to read a file reported with a
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length 0 like some files in the Linux <TT CLASS="examp">/proc</TT>
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directory.
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<P>
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<I>begin, end</I> or <I>size</I> can be an integer value (decimal or
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hexadecimal) or an integer value with an appended <B>k</B> (for
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multiply by 1024) or <B>m</B> (for multiply by 1.048.576).
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<P>
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You should use at most two of the three address options to avoid ambiguity!
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<H3>Not Implemented Commands</H3>
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<P>
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<UL>
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<LI><B><TT>:map</TT></B> and <B><TT>:unmap</TT></B> (Macros)
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<LI><B><TT>:abbreviate</TT></B> (<B><TT>:ab</TT></B>) and <B><TT>:una</TT></B>
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<LI>no named buffers.
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</UL>
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<p><font size="-1">
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<a class="btop" href="#top">
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<img border="0" width="16" height="7" src="gif/up.gif"
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alt="Back to the top">Back to the top</a>
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</font>
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<hr noshade>
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2005-01-07 00:00:00 +00:00
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<i>Last update: October 19<sup>th</sup> 2000 by Gerhard Bürgmann,
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<a class="btop" href="http://www.purkersdorf-online.at/">Purkersdorf</a>/Austria</i>
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2001-01-15 00:00:00 +00:00
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</td></tr></table>
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</body></html>
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