55 lines
1.3 KiB
HTML
55 lines
1.3 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>let - Evaluate arithmetic expression</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>let - Evaluate arithmetic expression</h2>
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<strong>Synopsis</strong>
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<p><strong>let</strong> <em>arg ...</em></p>
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<p><strong>Description</strong></p>
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<p>You can use <strong>let</strong> to evaluate each <em>arg</em>
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as an <a href="arithexp.htm">arithmetic expression</a>. You
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may need to quote each <em>arg</em> since many arithmetic operators
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have a special meaning to <strong>qsh</strong>.</p>
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<p><strong>Operands</strong></p>
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<p>Each <em>arg</em> is evaluated as an <a href=
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"arithexp.htm">arithmetic expression</a>.</p>
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<p><strong>Exit Status</strong></p>
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<ul>
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<li>0 when the value of the last expression is non-zero</li>
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<li>1 when the value of the last expression is zero</li>
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</ul>
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<strong>Examples</strong>
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<ol>
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<li>Add one to the variable x.
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<pre>
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let x=x+1
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</pre>
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</li>
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</ol>
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</body>
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</html>
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