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| author | wcohen <wcohen> | 2012-06-29 14:55:57 +0000 |
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| committer | wcohen <wcohen> | 2012-06-29 14:55:57 +0000 |
| commit | dd5c0fe907fe265ae4a759b2511f2c035246d4fa (patch) | |
| tree | 1fbd36d540fa227a8e2d7b7bdcadbb0e4fdbd608 /SystemTap_Beginners_Guide/commandlineargssect.html | |
| parent | Update the website man pages to SystemTap 1.7 (diff) | |
Remove old Systemtap-1.7 beginners guide
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| 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?> | ||
| 2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | ||
| 3 | <html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>3.3.4. Command-Line Arguments</title><link rel="stylesheet" type="text/css" href="Common_Content/css/default.css" /><link rel="stylesheet" media="print" href="Common_Content/css/print.css" type="text/css" /><meta name="generator" content="publican 2.5" /><meta name="package" content="Systemtap-SystemTap_Beginners_Guide-1.7-en-US-2.0-2" /><link rel="home" href="index.html" title="SystemTap Beginners Guide" /><link rel="up" href="scriptconstructions.html" title="3.3. Basic SystemTap Handler Constructs" /><link rel="prev" href="handlerconditionalstatements.html" title="3.3.3. Conditional Statements" /><link rel="next" href="associativearrays.html" title="3.4. Associative Arrays" /></head><body><p id="title"><a class="left" href="http://www.fedoraproject.org"><img src="Common_Content/images/image_left.png" alt="Product Site" /></a><a class="right" href="http://docs.fedoraproject.org"><img src="Common_Content/images/image_right.png" alt="Documentation Site" /></a></p><ul class="docnav"><li class="previous"><a accesskey="p" href="handlerconditionalstatements.html"><strong>Prev</strong></a></li><li class="next"><a accesskey="n" href="associativearrays.html"><strong>Next</strong></a></li></ul><div class="section" id="commandlineargssect"><div class="titlepage"><div><div keep-together.within-column="always"><h3 class="title" id="commandlineargssect">3.3.4. Command-Line Arguments</h3></div></div></div><a id="id543670" class="indexterm"></a><a id="id520734" class="indexterm"></a><a id="id693902" class="indexterm"></a><div class="para"> | ||
| 4 | You can also allow a SystemTap script to accept simple command-line arguments using a <code class="command">$</code> or <code class="command">@</code> immediately followed by the number of the argument on the command line. Use <code class="command">$</code> if you are expecting the user to enter an integer as a command-line argument, and <code class="command">@</code> if you are expecting a string. | ||
| 5 | </div><div class="example" id="commandlineargs"><h6>Example 3.12. commandlineargs.stp</h6><div class="example-contents"><pre class="programlisting">probe kernel.function(@1) { } | ||
| 6 | probe kernel.function(@1).return { }</pre></div></div><br class="example-break" /><div class="para"> | ||
| 7 | <a class="xref" href="commandlineargssect.html#commandlineargs">Example 3.12, “commandlineargs.stp”</a> is similar to <a class="xref" href="scripts.html#wildcards">Example 3.1, “wildcards.stp”</a>, except that it allows you to pass the kernel function to be probed as a command-line argument (as in <code class="command">stap commandlineargs.stp <em class="replaceable"><code>kernel function</code></em></code>). You can also specify the script to accept multiple command-line arguments, noting them as <code class="command">@1</code>, <code class="command">@2</code>, and so on, in the order they are entered by the user. | ||
| 8 | </div><a id="id644589" class="indexterm"></a><a id="id504276" class="indexterm"></a><a id="id691538" class="indexterm"></a></div><ul class="docnav"><li class="previous"><a accesskey="p" href="handlerconditionalstatements.html"><strong>Prev</strong>3.3.3. Conditional Statements</a></li><li class="up"><a accesskey="u" href="#"><strong>Up</strong></a></li><li class="home"><a accesskey="h" href="index.html"><strong>Home</strong></a></li><li class="next"><a accesskey="n" href="associativearrays.html"><strong>Next</strong>3.4. Associative Arrays</a></li></ul></body></html> | ||