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<html><head><title>Group Listing of awk Functions and Commands (UNIX in a Nutshell: System V Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Arnold Robbins" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="1-56592-427-4" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="UNIX in a Nutshell: System V Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Book Title" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch11_07.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch11_09.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">11.8. Group Listing of awk Functions and Commands</h2><p><a name="unut-ch-11-ix-commands-awk-programming-language" /><a name="unut-ch-11-ix-awk-programming-language-commands-for" />The following table classifies <tt class="literal">awk</tt> functions and commands.</p><table border="1" cellpadding="3"><tr><th><em class="emphasis">Arithmetic Functions</em></th><th><em class="emphasis">String Functions</em></th><th><em class="emphasis">Control Flow Statements</em></th><th><em class="emphasis">I/O Processing</em></th><th><em class="emphasis">Time Functions</em></th><th><em class="emphasis">Programming</em></th></tr><tr><td><tt class="literal">atan2</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">gensub</tt><a href="#FOOTNOTE-13">[13]</a></td><td><tt class="literal">break</tt></td><td><tt class="literal">close</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">strftime</tt><a href="#FOOTNOTE-13">[13]</a></td><td><tt class="literal">delete</tt><a href="#FOOTNOTE-12">[12]</a></td></tr><tr><td><tt class="literal">cos</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">gsub</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">continue</tt></td><td><tt class="literal">fflush</tt><a href="#FOOTNOTE-14">[14]</a></td><td><tt class="literal">systime</tt><a href="#FOOTNOTE-13">[13]</a></td><td><tt class="literal">function</tt><a href="#FOOTNOTE-12">[12]</a></td></tr><tr><td><tt class="literal">exp</tt></td><td><tt class="literal">index</tt></td><td><tt class="literal">do</tt>/<tt class="literal">while</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">getline</tt><a href="#FOOTNOTE-12">[12]</a></td><td> </td><td><tt class="literal">system</tt><a href="#FOOTNOTE-12">[12]</a></td></tr><tr><td><tt class="literal">int</tt></td><td><tt class="literal">length</tt></td><td><tt class="literal">exit</tt></td><td><tt class="literal">next</tt></td><td></td><td> </td></tr><tr><td><tt class="literal">log</tt></td><td><tt class="literal">match</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">for</tt></td><td><tt class="literal">nextfile</tt><a href="#FOOTNOTE-14">[14]</a></td><td></td><td> </td></tr><tr><td><tt class="literal">rand</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">split</tt></td><td><tt class="literal">if</tt></td><td><tt class="literal">print</tt></td><td></td><td> </td></tr><tr><td><tt class="literal">sin</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">sprintf</tt></td><td><tt class="literal">return</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">printf</tt></td><td></td><td> </td></tr><tr><td><tt class="literal">sqrt</tt></td><td><tt class="literal">sub</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">while</tt></td><td></td><td></td><td> </td></tr><tr><td><tt class="literal">srand</tt><a href="#FOOTNOTE-12">[12]</a></td><td><tt class="literal">substr</tt></td><td></td><td></td><td></td><td> </td></tr><tr><td> </td><td><tt class="literal">tolower</tt><a href="#FOOTNOTE-12">[12]</a></td><td></td><td></td><td></td><td> </td></tr><tr><td> </td><td><tt class="literal">toupper</tt><a href="#FOOTNOTE-12">[12]</a></td><td></td><td></td><td></td><td> </td></tr></table><blockquote><a name="FOOTNOTE-12" /><p> [12]Available in <tt>nawk</tt>.</blockquote><blockquote class="footnote"><a name="FOOTNOTE-13" /><p> [13]Available in <tt class="literal">gawk</tt>.</p></blockquote><blockquote class="footnote"><a name="FOOTNOTE-14" /><p> [14]Available in Bell Labs <tt class="literal">awk</tt> and <tt class="literal">gawk</tt>.</p></blockquote><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch11_07.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch11_09.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">11.7. User-Defined Functions</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">11.9. Implementation Limits</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2003</a> O'Reilly & Associates. 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