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: Find and Replace</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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<a class="thl" href="quick.html">Quick Tutorial</a><br>
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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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<font color="#ffffff" class="ths">Find and Replace<br></font>
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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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<br><font class="sub">Find and Replace</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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The <B><TT CLASS="examp">:s</TT></B> (substitute) command behaves a little bit
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different to that of vi. If you type a command like this in vi <NOBR>
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<B><TT CLASS="examp">:s/XXXX/UU/</TT></B></NOBR> then the four XXXX's are
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replaced by
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two UU's. This means, the file size decreases and all characters after
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the replacement are moved to another position in the file. Since bvi
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does not move characters, only two XX's are replaced by two UU's and
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the third and fourth X still remains in the file.<BR>
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Another example:
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<BLOCKQUOTE>
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<B><TT CLASS="examp">:0,500s/Taste\0/Key\0/</TT><FONT COLOR=#AAAAAA>RETURN</FONT></B><BR>
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</BLOCKQUOTE>
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<P>
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This command replaces within the first 500 bytes of a file the 0 -
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terminated ASCII string "<TT CLASS="examp">Taste</TT>"
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with the 0 - terminated
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string "<TT CLASS="examp">Key</TT>". After the substitution
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you will find a
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character sequence "<TT CLASS="examp">Key\0e\0</TT>" in the file.<BR>
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CAUTION: If the replace
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string is longer than the find string, additional bytes are overwritten!
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<BR>
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This behaviour will not be changed by setting the
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<TT CLASS="examp">:set memmove</TT> option!
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<P>
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Of course you can do also binary substitutions, similar to the search
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command. The ability of remembering patterns like <B><TT CLASS="examp">\(pattern\)</TT></B>
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is currently not implemented.
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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: Fri Jun 30 22:33:20 CEST 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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