ch22_01.htm

编程珍珠,里面很多好用的代码,大家可以参考学习呵呵,

<dt>
<b>Networking, device control, and interprocess communication</b>
</dt>
<a name="INDEX-3815"></a><a name="INDEX-3816"></a><a name="INDEX-3817"></a><a name="INDEX-3818"></a>
<dd>
<p>This includes modules that implement network protocols, manipulate
network data, operate modems, and control the appliances in
your house.</p>
</dd>


<dt>
<b>Data types and data type utilities</b>
</dt>
<a name="INDEX-3819"></a><a name="INDEX-3820"></a><a name="INDEX-3821"></a><a name="INDEX-3822"></a><a name="INDEX-3823"></a><a name="INDEX-3824"></a><a name="INDEX-3825"></a><a name="INDEX-3826"></a><a name="INDEX-3827"></a>
<dd>
<p>This category has modules for math, statistics, algorithms, data
structures (and their persistent storage), dates and times,
object-oriented programming, PDL (the Perl Data Language, for serious
number crunching), and POE (the Perl Object Environment, an object-oriented, event-driven scheduler).</p>
</dd>


<dt>
<b>Database interfaces</b>
</dt>
<a name="INDEX-3828"></a><a name="INDEX-3829"></a><a name="INDEX-3830"></a><a name="INDEX-3831"></a>
<dd>
<p>Here you'll find modules that let you operate several dozen
database systems from Perl, most of them with Perl's DBI system. This includes the database-specific DBD modules.</p>
</dd>


<dt>
<b>User interfaces (character and graphical)</b>
</dt>
<a name="INDEX-3832"></a><a name="INDEX-3833"></a><a name="INDEX-3834"></a><a name="INDEX-3835"></a><a name="INDEX-3836"></a><a name="INDEX-3837"></a><a name="INDEX-3838"></a><a name="INDEX-3839"></a><a name="INDEX-3840"></a>
<dd>
<p>This includes modules for manipulating user terminals (command-line editing and
<em class="emphasis">curses</em>(3)-style character graphics), as well as Perl/Tk and bindings to
Gtk, Gnome, Sx, and Qt for writing your own GUIs in Perl.</p>
</dd>


<dt>
<b>Interfaces to or emulations of other programming languages</b>
</dt>
<a name="INDEX-3841"></a><a name="INDEX-3842"></a>
<dd>
<p>This category has modules for using other programming languages
from Perl or letting you pretend that Perl is something it isn't. If you're interested in using Perl from C or C from Perl, see
<a href="ch21_01.htm">Chapter 21, "Internals and Externals"</a>.</p>
</dd>


<dt>
<b>Filenames, filesystems, and file locking</b>
</dt>
<a name="INDEX-3843"></a><a name="INDEX-3844"></a>
<dd>
<p>This includes modules for inspecting, creating, locking, and otherwise
manipulating files and directories.</p>
</dd>


<dt>
<b>String processing, language text processing, parsing, and searching</b>
</dt>
<a name="INDEX-3845"></a><a name="INDEX-3846"></a><a name="INDEX-3847"></a><a name="INDEX-3848"></a><a name="INDEX-3849"></a><a name="INDEX-3850"></a><a name="INDEX-3851"></a><a name="INDEX-3852"></a><a name="INDEX-3853"></a><a name="INDEX-3854"></a>
<dd>
<p>This category contains modules for manipulating text: hyphenating, wrapping, parsing,
stemming, and searching.  This includes modules for manipulating
PostScript, fonts, XML, and RTF.</p>
</dd>


<dt>
<b>Option, argument, parameter, and configuration file processing</b>
</dt>
<a name="INDEX-3855"></a><a name="INDEX-3856"></a><a name="INDEX-3857"></a><a name="INDEX-3858"></a>
<dd>
<p>This category contains modules for processing command-line arguments
(the <span class="option">-x</span> in <em class="emphasis">myperlprog -x</em>) and for managing configuration files
(like dot files).</p>
</dd>


<dt>
<b>Internationalization and locale</b>
</dt>
<a name="INDEX-3859"></a><a name="INDEX-3860"></a><a name="INDEX-3861"></a>
<dd>
<p>This includes modules for tailoring your Perl program for a particular country
and language.</p>
</dd>


<dt>
<b>Authentication, security, and encryption</b>
</dt>
<a name="INDEX-3862"></a><a name="INDEX-3863"></a><a name="INDEX-3864"></a><a name="INDEX-3865"></a><a name="INDEX-3866"></a><a name="INDEX-3867"></a>
<dd>
<p>Here you'll find modules for managing user passwords, computing
message digests, encrypting data, and authenticating users.
<a name="INDEX-3868"></a>
</p>
</dd>


<dt>
<b>World Wide Web, HTML, HTTP, CGI, MIME</b>
</dt>
<a name="INDEX-3869"></a><a name="INDEX-3870"></a><a name="INDEX-3871"></a><a name="INDEX-3872"></a><a name="INDEX-3873"></a><a name="INDEX-3874"></a>
<dd>
<p>This category has modules that let you create CGI-based web pages, web
robots, and web-based content management systems.  Other modules let
you manage cookies, parse HTML and MIME messages, and manipulate web
caches.  There is also a special section just for Perl modules that
you can embed into the Apache web server.</p>
</dd>


<dt>
<b>Server and daemon utilities</b>
</dt>
<a name="INDEX-3875"></a><a name="INDEX-3876"></a>
<dd>
<p>This includes modules for creating network and event servers.</p>
</dd>


<dt>
<b>Archiving, compression, and conversion</b>
</dt>
<a name="INDEX-3877"></a><a name="INDEX-3878"></a><a name="INDEX-3879"></a>
<dd>
<p>Here you'll find modules for zipping and tarring files, and converting between file
formats (even the Apple II file format).</p>
</dd>


<dt>
<b>Images, pixmap, and bitmap manipulation, drawing, and graphing</b>
</dt>
<a name="INDEX-3880"></a><a name="INDEX-3881"></a><a name="INDEX-3882"></a><a name="INDEX-3883"></a>
<dd>
<p>This category contains modules for creating graphs, GIFs, VRML, and
for working with the Gimp.</p>
</dd>


<dt>
<b>Mail and Usenet news</b>
</dt>
<a name="INDEX-3884"></a><a name="INDEX-3885"></a><a name="INDEX-3886"></a><a name="INDEX-3887"></a>
<dd>
<p>In this category, you'll find modules for sending, receiving,
and filtering mail and netnews.</p>
</dd>


<dt>
<b>Control flow utilities</b>
</dt>
<dd>
<p>This category contains modules for executing Perl code at odd times.</p>
</dd>


<dt>
<b>Filehandle, directory handle, and input/output stream utilities</b>
</dt>
<a name="INDEX-3888"></a><a name="INDEX-3889"></a><a name="INDEX-3890"></a><a name="INDEX-3891"></a><a name="INDEX-3892"></a>
<dd>
<p>Here are modules for input from and output to files, including log files. Includes all <tt class="literal">IO::</tt> modules and an <tt class="literal">Expect</tt> module for automating
conversations with network services or other interactive programs.</p>
</dd>


<dt>
<b>Microsoft Windows modules</b>
</dt>
<a name="INDEX-3893"></a><a name="INDEX-3894"></a><a name="INDEX-3895"></a><a name="INDEX-3896"></a><a name="INDEX-3897"></a>
<dd>
<p>This includes modules for manipulating the Windows registry, ASP, ODBC, OLE, and other
technologies specific to Windows.</p>
</dd>


<dt>
<b>Miscellaneous modules</b>
</dt>
<a name="INDEX-3898"></a><a name="INDEX-3899"></a><a name="INDEX-3900"></a><a name="INDEX-3901"></a><a name="INDEX-3902"></a><a name="INDEX-3903"></a><a name="INDEX-3904"></a><a name="INDEX-3905"></a><a name="INDEX-3906"></a><a name="INDEX-3907"></a>
<dd>
<p>Here you'll find modules for astronomy, biology, chemistry, validating credit cards (or
invalidating credit cards), mortgage amortizations, audio, video, MIDI,
weather, and games.</p>
</dd>

</dl>

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