90 lines
2.1 KiB
HTML
90 lines
2.1 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html>
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org">
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<meta http-equiv="Content-Type" content=
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"text/html; charset=utf-8">
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<title>whence - Determine how command is interpreted</title>
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<LINK rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</HEAD>
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<body bgcolor="#FFFFFF">
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h2>whence - Determine how command is interpreted</h2>
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<strong>Synopsis</strong>
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<p><strong>whence [ -afpv ]</strong> <em>name ...</em></p>
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<p><strong>Description</strong></p>
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<p>The <strong>whence</strong> utility displays how each specified
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<em>name</em> is interpreted. The name can be an alias, function, special shell built-in,
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shell built-in, reserved word, or file.</p>
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<p>Note that <strong>whence</strong> is equivalent to <strong>
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command -v</strong> and <strong>whence -v</strong> is equivalent to
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<strong>command -V</strong>.</p>
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<p><strong>Options</strong></p>
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<dl>
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<dt><strong>-a</strong></dt>
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<dd>Show all uses for <em>name</em>.</dd>
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<dt><strong>-f</strong></dt>
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<dd>Do not check to see if <em>name</em> is a function.</dd>
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<dt><strong>-p</strong></dt>
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<dd>Do not check to see if <em>name</em> is a reserved word, a
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built-in utility, an alias, or a function.</dd>
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<dt><strong>-v</strong></dt>
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<dd>Display the type of <em>name</em>.</dd>
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</dl>
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<p><strong>Operands</strong></p>
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<p>Each <em>name</em> is a utility in the current environment.</p>
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<p><strong>Exit Status</strong></p>
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<ul>
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<li>0 when every <em>name</em> is found</li>
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<li>>0 when unsuccessful</li>
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</ul>
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<p><strong>Related information</strong></p>
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<ul>
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<li><a href="command.htm">command - Run a simple command</a></li>
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<li><a href="dot.htm">dot (.) - Run commands in current
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environment</a></li>
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<li><a href="eval.htm">eval - Construct command by concatenating
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arguments</a></li>
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<li><a href="type.htm">type - Find type of command</a></li>
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</ul>
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<strong>Examples</strong>
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<ol>
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<li>Find the type of the reserved word for:
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<pre>
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whence -v for
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</pre></li>
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</ol>
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</body>
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</html>
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