ch29_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>Regular expressions and pattern matching</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">m//</tt>, <tt class="literal">pos</tt>,
<tt class="literal">qr//</tt>, <tt class="literal">quotemeta</tt>, <tt class="literal">s///</tt>, <tt class="literal">split</tt>, <tt class="literal">study</tt>
</p>
</dd>


<dt>
<b>Numeric functions</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">abs</tt>, <tt class="literal">atan2</tt>, <tt class="literal">cos</tt>, <tt class="literal">exp</tt>, <tt class="literal">hex</tt>, <tt class="literal">int</tt>, <tt class="literal">log</tt>, <tt class="literal">oct</tt>,
<tt class="literal">rand</tt>, <tt class="literal">sin</tt>, <tt class="literal">sqrt</tt>, <tt class="literal">srand</tt>
</p>
</dd>


<dt>
<b>Array processing</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">pop</tt>, <tt class="literal">push</tt>, <tt class="literal">shift</tt>, <tt class="literal">splice</tt>, <tt class="literal">unshift</tt>
</p>
</dd>


<dt>
<b>List processing</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">grep</tt>, <tt class="literal">join</tt>, <tt class="literal">map</tt>, <tt class="literal">qw//</tt>, <tt class="literal">reverse</tt>, <tt class="literal">sort</tt>, <tt class="literal">unpack</tt>
</p>
</dd>


<dt>
<b>Hash processing</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">delete</tt>, <tt class="literal">each</tt>, <tt class="literal">exists</tt>, <tt class="literal">keys</tt>, <tt class="literal">values</tt>
</p>
</dd>


<dt>
<b>Input and output</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">binmode</tt>, <tt class="literal">close</tt>, <tt class="literal">closedir</tt>, <tt class="literal">dbmclose</tt>, <tt class="literal">dbmopen</tt>, <tt class="literal">die</tt>,
<tt class="literal">eof</tt>, <tt class="literal">fileno</tt>, <tt class="literal">flock</tt>, <tt class="literal">format</tt>, <tt class="literal">getc</tt>, <tt class="literal">print</tt>, <tt class="literal">printf</tt>,
<tt class="literal">read</tt>, <tt class="literal">readdir</tt>, <tt class="literal">readpipe</tt>, <tt class="literal">rewinddir</tt>, <tt class="literal">seek</tt>, <tt class="literal">seekdir</tt>,
<tt class="literal">select</tt> (ready file descriptors), <tt class="literal">syscall</tt>, <tt class="literal">sysread</tt>, <tt class="literal">sysseek</tt>,
<tt class="literal">syswrite</tt>, <tt class="literal">tell</tt>, <tt class="literal">telldir</tt>, <tt class="literal">truncate</tt>, <tt class="literal">warn</tt>, <tt class="literal">write</tt>
</p>
</dd>


<dt>
<b>Fixed-length data and records</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">pack</tt>, <tt class="literal">read</tt>, <tt class="literal">syscall</tt>, <tt class="literal">sysread</tt>, <tt class="literal">sysseek</tt>, <tt class="literal">syswrite</tt>,
<tt class="literal">unpack</tt>, <tt class="literal">vec</tt>
</p>
</dd>


<dt>
<b>Filehandles, files, and directories</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">chdir</tt>, <tt class="literal">chmod</tt>, <tt class="literal">chown</tt>, <tt class="literal">chroot</tt>, <tt class="literal">fcntl</tt>, <tt class="literal">glob</tt>, <tt class="literal">ioctl</tt>,
<tt class="literal">link</tt>, <tt class="literal">lstat</tt>, <tt class="literal">mkdir</tt>, <tt class="literal">open</tt>, <tt class="literal">opendir</tt>, <tt class="literal">readlink</tt>,
<tt class="literal">rename</tt>, <tt class="literal">rmdir</tt>, <tt class="literal">select</tt> (ready file descriptors), <tt class="literal">select</tt>
(output filehandle), <tt class="literal">stat</tt>, <tt class="literal">symlink</tt>, <tt class="literal">sysopen</tt>, <tt class="literal">umask</tt>,
<tt class="literal">unlink</tt>, <tt class="literal">utime</tt>
</p>
</dd>


<dt>
<b>Flow of program control</b>
</dt>
<dd>
<a name="INDEX-"></a>
<p>
<tt class="literal">caller</tt>, <tt class="literal">continue</tt>, <tt class="literal">die</tt>, <tt class="literal">do</tt>, <tt class="literal">dump</tt>, <tt class="literal">eval</tt>, <tt class="literal">exit</tt>,
<tt class="literal">goto</tt>, <tt class="literal">last</tt>, <tt class="literal">next</tt>, <tt class="literal">redo</tt>, <tt class="literal">return</tt>, <tt class="literal">sub</tt>, <tt class="literal">wantarray</tt>
</p>
</dd>


<dt>
<b>Scoping</b>
</dt>
<dd>
<a name="INDEX-"></a>
<p>
<tt class="literal">caller</tt>, <tt class="literal">import</tt>, <tt class="literal">local</tt>, <tt class="literal">my</tt>, <tt class="literal">no</tt>, <tt class="literal">our</tt>, <tt class="literal">package</tt>, <tt class="literal">use</tt>
</p>
</dd>


<dt>
<b>Miscellaneous</b>
</dt>
<dd>
<p>
<tt class="literal">defined</tt>, <tt class="literal">dump</tt>, <tt class="literal">eval</tt>, <tt class="literal">formline</tt>, <tt class="literal">lock</tt>,
<tt class="literal">prototype</tt>, <tt class="literal">reset</tt>, <tt class="literal">scalar</tt>, <tt class="literal">undef</tt>, <tt class="literal">wantarray</tt><a name="INDEX-"></a>
</p>
</dd>


<dt>
<b>Processes and process groups</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">alarm</tt>, <tt class="literal">exec</tt>, <tt class="literal">fork</tt>, <tt class="literal">getpgrp</tt>, <tt class="literal">getppid</tt>, <tt class="literal">getpriority</tt>,
<tt class="literal">kill</tt>, <tt class="literal">pipe</tt>, <tt class="literal">qx//</tt>,
<tt class="literal">setpgrp</tt>, <tt class="literal">setpriority</tt>, <tt class="literal">sleep</tt>, <tt class="literal">system</tt>, <tt class="literal">times</tt>, <tt class="literal">wait</tt>,
<tt class="literal">waitpid</tt>
</p>
</dd>


<dt>
<b>Library modules</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">do</tt>, <tt class="literal">import</tt>, <tt class="literal">no</tt>, <tt class="literal">package</tt>, <tt class="literal">require</tt>, <tt class="literal">use</tt>
</p>
</dd>


<dt>
<b>Classes and objects</b>
</dt>
<dd>
<a name="INDEX-"></a><a name="INDEX-"></a>
<p>
<tt class="literal">bless</tt>, <tt class="literal">dbmclose</tt>, <tt class="literal">dbmopen</tt>, <tt class="literal">package</tt>, <tt class="literal">ref</tt>, <tt class="literal">tie</tt>, <tt class="literal">tied</tt>,
<tt class="literal">untie</tt>, <tt class="literal">use</tt>
</p>
</dd>


<dt>
<b>Low-level socket access</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">accept</tt>, <tt class="literal">bind</tt>, <tt class="literal">connect</tt>, <tt class="literal">getpeername</tt>, <tt class="literal">getsockname</tt>,
<tt class="literal">getsockopt</tt>, <tt class="literal">listen</tt>, <tt class="literal">recv</tt>, <tt class="literal">send</tt>, <tt class="literal">setsockopt</tt>, <tt class="literal">shutdown</tt>,
<tt class="literal">socket</tt>, <tt class="literal">socketpair</tt>
</p>
</dd>


<dt>
<b>System V interprocess communication</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">msgctl</tt>, <tt class="literal">msgget</tt>, <tt class="literal">msgrcv</tt>, <tt class="literal">msgsnd</tt>, <tt class="literal">semctl</tt>, <tt class="literal">semget</tt>,
<tt class="literal">semop</tt>, <tt class="literal">shmctl</tt>, <tt class="literal">shmget</tt>, <tt class="literal">shmread</tt>, <tt class="literal">shmwrite</tt>
</p>
</dd>


<dt>
<b>Fetching user and group information</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><a name="INDEX-"></a><a name="INDEX-"></a><tt class="literal">endgrent</tt>, <tt class="literal">endhostent</tt>, <tt class="literal">endnetent</tt>, <tt class="literal">endpwent</tt>, <tt class="literal">getgrent</tt>,
<tt class="literal">getgrgid</tt>, <tt class="literal">getgrnam</tt>, <tt class="literal">getlogin</tt>, <tt class="literal">getpwent</tt>, <tt class="literal">getpwnam</tt>,
<tt class="literal">getpwuid</tt>, <tt class="literal">setgrent</tt>, <tt class="literal">setpwent</tt>
</p>
</dd>


<dt>
<b>Fetching network information</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">endprotoent</tt>, <tt class="literal">endservent</tt>, <tt class="literal">gethostbyaddr</tt>, <tt class="literal">gethostbyname</tt>,
<tt class="literal">gethostent</tt>, <tt class="literal">getnetbyaddr</tt>, <tt class="literal">getnetbyname</tt>, <tt class="literal">getnetent</tt>,
<tt class="literal">getprotobyname</tt>, <tt class="literal">getprotobynumber</tt>, <tt class="literal">getprotoent</tt>,
<tt class="literal">getservbyname</tt>, <tt class="literal">getservbyport</tt>, <tt class="literal">getservent</tt>, <tt class="literal">sethostent</tt>,
<tt class="literal">setnetent</tt>, <tt class="literal">setprotoent</tt>, <tt class="literal">setservent</tt>
</p>
</dd>


<dt>
<b>Time</b>
</dt>
<dd>
<p>
<a name="INDEX-"></a><tt class="literal">gmtime</tt>, <tt class="literal">localtime</tt>, <tt class="literal">time</tt>, <tt class="literal">times</tt>
</p>
</dd>

</dl>

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<td align="left" valign="top" width="172">28.2. Special Variables in Alphabetical Order</td><td align="center" valign="top" width="171"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0"></a></td><td align="right" valign="top" width="172">29.2. Perl Functions in Alphabetical Order</td>
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