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130 lines
5.9 KiB
HTML
130 lines
5.9 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Readline Bare Essentials (Debugging with GDB)</title>
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<meta name="description" content="Readline Bare Essentials (Debugging with GDB)">
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<meta name="keywords" content="Readline Bare Essentials (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Readline-Interaction.html#Readline-Interaction" rel="up" title="Readline Interaction">
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<link href="Readline-Movement-Commands.html#Readline-Movement-Commands" rel="next" title="Readline Movement Commands">
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<link href="Readline-Interaction.html#Readline-Interaction" rel="prev" title="Readline Interaction">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.smallexample {font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Readline-Bare-Essentials"></a>
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<div class="header">
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<p>
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Next: <a href="Readline-Movement-Commands.html#Readline-Movement-Commands" accesskey="n" rel="next">Readline Movement Commands</a>, Up: <a href="Readline-Interaction.html#Readline-Interaction" accesskey="u" rel="up">Readline Interaction</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Readline-Bare-Essentials-1"></a>
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<h4 class="subsection">32.2.1 Readline Bare Essentials</h4>
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<a name="index-notation_002c-readline"></a>
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<a name="index-command-editing"></a>
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<a name="index-editing-command-lines"></a>
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<p>In order to enter characters into the line, simply type them. The typed
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character appears where the cursor was, and then the cursor moves one
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space to the right. If you mistype a character, you can use your
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erase character to back up and delete the mistyped character.
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</p>
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<p>Sometimes you may mistype a character, and
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not notice the error until you have typed several other characters. In
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that case, you can type <kbd>C-b</kbd> to move the cursor to the left, and then
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correct your mistake. Afterwards, you can move the cursor to the right
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with <kbd>C-f</kbd>.
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</p>
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<p>When you add text in the middle of a line, you will notice that characters
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to the right of the cursor are ‘pushed over’ to make room for the text
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that you have inserted. Likewise, when you delete text behind the cursor,
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characters to the right of the cursor are ‘pulled back’ to fill in the
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blank space created by the removal of the text. A list of the bare
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essentials for editing the text of an input line follows.
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</p>
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<dl compact="compact">
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<dt><kbd>C-b</kbd></dt>
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<dd><p>Move back one character.
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</p></dd>
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<dt><kbd>C-f</kbd></dt>
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<dd><p>Move forward one character.
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</p></dd>
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<dt><tt class="key">DEL</tt> or <tt class="key">Backspace</tt></dt>
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<dd><p>Delete the character to the left of the cursor.
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</p></dd>
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<dt><kbd>C-d</kbd></dt>
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<dd><p>Delete the character underneath the cursor.
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</p></dd>
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<dt>Printing characters<!-- /@w --></dt>
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<dd><p>Insert the character into the line at the cursor.
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</p></dd>
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<dt><kbd>C-_</kbd> or <kbd>C-x C-u</kbd></dt>
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<dd><p>Undo the last editing command. You can undo all the way back to an
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empty line.
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</p></dd>
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</dl>
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<p>(Depending on your configuration, the <tt class="key">Backspace</tt> key be set to
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delete the character to the left of the cursor and the <tt class="key">DEL</tt> key set
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to delete the character underneath the cursor, like <kbd>C-d</kbd>, rather
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than the character to the left of the cursor.)
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</p>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Readline-Movement-Commands.html#Readline-Movement-Commands" accesskey="n" rel="next">Readline Movement Commands</a>, Up: <a href="Readline-Interaction.html#Readline-Interaction" accesskey="u" rel="up">Readline Interaction</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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