71 lines
3.6 KiB
HTML
71 lines
3.6 KiB
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<title>Numeric Arguments - Debugging with GDB</title>
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<div class="node">
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<a name="Numeric-Arguments"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Commands-For-Completion.html#Commands-For-Completion">Commands For Completion</a>,
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Previous: <a rel="previous" accesskey="p" href="Commands-For-Killing.html#Commands-For-Killing">Commands For Killing</a>,
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Up: <a rel="up" accesskey="u" href="Bindable-Readline-Commands.html#Bindable-Readline-Commands">Bindable Readline Commands</a>
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</div>
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<h4 class="subsection">32.4.5 Specifying Numeric Arguments</h4>
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<dl>
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<dt><code>digit-argument (</code><kbd>M-0</kbd><code>, </code><kbd>M-1</kbd><code>, ... </code><kbd>M--</kbd><code>)</code><a name="index-digit_002dargument-_0028_0040kbd_007bM_002d0_007d_002c-_0040kbd_007bM_002d1_007d_002c-_0040dots_007b_007d-_0040kbd_007bM_002d_002d_007d_0029-3267"></a><dd>Add this digit to the argument already accumulating, or start a new
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argument. <kbd>M--</kbd> starts a negative argument.
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<br><dt><code>universal-argument ()</code><a name="index-universal_002dargument-_0028_0029-3268"></a><dd>This is another way to specify an argument.
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If this command is followed by one or more digits, optionally with a
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leading minus sign, those digits define the argument.
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If the command is followed by digits, executing <code>universal-argument</code>
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again ends the numeric argument, but is otherwise ignored.
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As a special case, if this command is immediately followed by a
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character that is neither a digit or minus sign, the argument count
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for the next command is multiplied by four.
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The argument count is initially one, so executing this function the
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first time makes the argument count four, a second time makes the
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argument count sixteen, and so on.
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By default, this is not bound to a key.
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</dl>
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</body></html>
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