ch08_03.htm
来自「unix基础教程」· HTM 代码 · 共 97 行
HTM
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<html><head><title>Edit Commands (UNIX in a Nutshell: System V Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Arnold Robbins" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="1-56592-427-4" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="UNIX in a Nutshell: System V Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Book Title" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_02.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch08_04.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">8.3. Edit Commands</h2><p><a name="IXT-8-123156" />Recall that <tt class="literal">c</tt>, <tt class="literal">d</tt>,and <tt class="literal">y</tt> are the basic editing operators.</p><a name="unut-ch-8-sect-3.1" /><div class="sect2"><h3 class="sect2">8.3.1. Inserting New Text</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">a</tt></td><td>Append after cursor.</td></tr><tr><td><tt class="literal">A</tt></td><td>Append to end of line.</td></tr><tr><td><tt class="literal">i</tt></td><td>Insert before cursor.</td></tr><tr><td><tt class="literal">I</tt></td><td>Insert at beginning of line.</td></tr><tr><td><tt class="literal">o</tt></td><td>Open a line below cursor.</td></tr><tr><td><tt class="literal">O</tt></td><td>Open a line above cursor.</td></tr><tr><td><tt class="literal">Esc</tt></td><td>Terminate insert mode.</td></tr><tr><td><tt class="literal">CTRL-J</tt></td><td>Move down one line.</td></tr><tr><td><tt class="literal">Return</tt></td><td>Move down one line.</td></tr><tr><td><tt class="literal">CTRL-I</tt></td><td>Insert a tab.</td></tr><tr><td><tt class="literal">CTRL-T</tt></td><td>Move to next tab setting.</td></tr><tr><td><tt class="literal">Backspace</tt></td><td>Move back one character.</td></tr><tr><td><tt class="literal">CTRL-H</tt></td><td>Move back one character.</td></tr><tr><td><tt class="literal">CTRL-U</tt></td><td>Delete current line.</td></tr><tr><td><tt class="literal">CTRL-V</tt></td><td>Quote next character.</td></tr><tr><td><tt class="literal">CTRL-W</tt></td><td>Move back one word.</td></tr></table><p></div><a name="unut-ch-8-sect-3.2" /><div class="sect2"><h3 class="sect2">8.3.2. Changing and Deleting Text</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">cw</tt></td><td>Change word.</td></tr><tr><td><tt class="literal">cc</tt></td><td>Change line.</td></tr><tr><td><tt class="literal">C</tt></td><td>Change text from current position to end of line.</td></tr><tr><td><tt class="literal">dd</tt></td><td>Delete current line.</td></tr><tr><td><em class="replaceable"><tt>n</em><tt class="literal">dd</tt></td><td>Delete <em class="emphasis">n</tt></em> lines.</td></tr><tr><td><tt class="literal">D</tt></td><td>Delete remainder of line.</td></tr><tr><td><tt class="literal">dw</tt></td><td>Delete a word.</td></tr><tr><td><tt class="literal">d}</tt></td><td>Delete up to next paragraph.</td></tr><tr><td><tt class="literal">d^</tt></td><td>Delete back to beginning of line.</td></tr><tr><td><tt class="literal">d/</tt><em class="replaceable"><tt>pat</tt></em></td><td>Delete up to first occurrence of pattern.</td></tr><tr><td><tt class="literal">dn</tt></td><td>Delete up to next occurrence of pattern.</td></tr><tr><td><tt class="literal">df</tt><em class="replaceable"><tt>a</em></td><td>Delete up to and including <em class="emphasis">a</tt></em> on current line.</td></tr><tr><td><tt class="literal">dt</tt><em class="replaceable"><tt>a</em></td><td>Delete up to (but not including) <em class="emphasis">a</tt></em> on current line.</td></tr><tr><td><tt class="literal">dL</tt></td><td>Delete up to last line on screen.</td></tr><tr><td><tt class="literal">dG</tt></td><td>Delete to end of file.</td></tr><tr><td><tt class="literal">p</tt></td><td>Insert last deleted text after cursor.</td></tr><tr><td><tt class="literal">P</tt></td><td>Insert last deleted text before cursor.</td></tr><tr><td><tt class="literal">r</tt><em class="replaceable"><tt>x</em></td><td>Replace character with <em class="emphasis">x</tt></em>. </td></tr><tr><td><tt class="literal">R</tt><em class="replaceable"><tt>text</em></td><td>Replace with new <em class="emphasis">text</tt></em> (overwrite), beginning at cursor.</td></tr><tr><td><tt class="literal">s</tt></td><td>Substitute character.</td></tr><tr><td><tt class="literal">4s</tt></td><td>Substitute four characters.</td></tr><tr><td><tt class="literal">S</tt></td><td>Substitute entire line.</td></tr><tr><td><tt class="literal">u</tt></td><td>Undo last change.</td></tr><tr><td><tt class="literal">U</tt></td><td>Restore current line.</td></tr><tr><td><tt class="literal">x</tt></td><td>Delete current cursor position.</td></tr><tr><td><tt class="literal">X</tt></td><td>Delete back one character.</td></tr><tr><td><tt class="literal">5X</tt></td><td>Delete previous five characters.</td></tr><tr><td><tt class="literal">.</tt></td><td>Repeat last change.</td></tr><tr><td><tt class="literal">~</tt></td><td>Reverse case.</td></tr></table><p></div><a name="unut-ch-8-sect-3.3" /><div class="sect2"><h3 class="sect2">8.3.3. Copying and Moving</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">Y</tt></td><td>Copy current line to new buffer.</td></tr><tr><td><tt class="literal">yy</tt></td><td>Copy current line.</td></tr><tr><td><tt class="literal">"</tt><em class="replaceable"><tt>x</em><tt class="literal">yy</tt></td><td>Yank current line to buffer <em class="emphasis">x</tt></em>.</td></tr><tr><td><tt class="literal">"</tt><em class="replaceable"><tt>x</em><tt class="literal">d</tt></td><td>Delete into buffer <em class="emphasis">x</tt></em>.</td></tr><tr><td><tt class="literal">"</tt><em class="replaceable"><tt>X</em><tt class="literal">d</tt></td><td>Delete and append into buffer <em class="emphasis">x</tt></em>.</td></tr><tr><td><tt class="literal">"</tt><em class="replaceable"><tt>x</em><tt class="literal">p</tt></td><td>Put contents of buffer <em class="emphasis">x</tt></em>.</td></tr><tr><td><tt class="literal">y]]</tt></td><td>Copy up to next section heading.</td></tr><tr><td><tt class="literal">ye</tt></td><td>Copy to end of word.</td></tr></table><p><p>Buffer names are the letters <tt class="literal">a</tt>–<tt class="literal">z</tt>.Uppercase names append text to the specified buffer.</p></div><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_02.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch08_04.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">8.2. Movement Commands</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">8.4. Saving and Exiting</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2003</a> O'Reilly & Associates. 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