idx_o.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>
<a name="Opcode-module">
<dt>Opcode module: <a href="../ch32_01.htm#INDEX-5610">32.1.12. Authentication, Security, and Encryption</a></dt>
<a name="opcodes">
<dt>opcodes: <a href="../ch18_02.htm#INDEX-3251">18.2. Compiling Your Code</a></dt><dd><dl>
  <dt><a href="../ch18_03.htm#INDEX-3258">18.3. Executing Your Code</a></dt>
  <dt><a href="../ch21_01.htm#INDEX-3673">21.1. How Perl Works</a></dt>
</dl></dd>
<a name="open-function">
<dt>open function: <a href="../ch01_04.htm#INDEX-177">1.4. Filehandles</a></dt><dd><dl>
  <dt><a href="../ch16_03.htm#INDEX-3003">16.3.1. Anonymous Pipes</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5039">29.2.104. open</a></dt>
  <a name="converting-file-descriptor-to-filehandle">
  <dt>converting file descriptor to filehandle: <a href="../ch16_02.htm#INDEX-2980">16.2.2. Passing Filehandles </a></dt>
  <a name="$.-and">
  <dt>$. and: <a href="../ch29_02.htm#INDEX-4697">29.2.16. close</a></dt>
  <a name="fileno-function-and">
  <dt>fileno function and: <a href="../ch29_02.htm#INDEX-4767">29.2.38. fileno</a></dt>
  <a name="fork-open">
  <dt>fork-open: <a href="../ch29_02.htm#INDEX-5062">29.2.104. open</a></dt>
  <a name="forking-open">
  <dt>forking open: <a href="../ch16_03.htm#INDEX-3008">16.3.2. Talking to Yourself</a></dt>
  <a name="modes-in-three-argument-form">
  <dt>modes in three-argument form: <a href="../ch29_02.htm#INDEX-5050">29.2.104. open</a></dt>
  <a name="piped">
  <dt>piped,
    <a name="list-argument-form-avoiding-shell-with">
list argument form, avoiding shell with: <a href="../ch23_03.htm#INDEX-4084">23.3.2. Code Masquerading as Data</a></dt>

  <a name="piped-two-argument-form">
  <dt>piped (two-argument form): <a href="../ch29_02.htm#INDEX-5060">29.2.104. open</a></dt>
  <a name="for-pipes-security-risks-posed-by">
  <dt>for pipes, security risks posed by: <a href="../ch23_01.htm#INDEX-3996">23.1.2. Cleaning Up Your Environment</a></dt>
  <a name="pipes-opening-with">
  <dt>pipes, opening with: <a href="../ch16_03.htm#INDEX-2993">16.3.1. Anonymous Pipes</a></dt>
  <a name="portability-of">
  <dt>portability of: <a href="../ch25_05.htm#INDEX-4355">25.5. Interprocess Communication (IPC)</a></dt>
</dl></dd>
<a name="Open2-Open3-library-modules">
<dt>Open2, Open3 library modules: <a href="../ch16_03.htm#INDEX-3024">16.3.3. Bidirectional Communication </a></dt>
<a name="open-source-software">
<a name="opendir-function">
<dt>opendir function: <a href="../ch29_02.htm#INDEX-5078">29.2.105. opendir</a></dt>
<a name="opening">
<dt>opening</dt><dd><dl>
  <a name="files-via-low-level-system-call">
  <dt>files via low-level system call: <a href="../ch29_02.htm#INDEX-5318">29.2.171. sysopen</a></dt>
  <a name="sockets">
  <dt>sockets: <a href="../ch29_02.htm#INDEX-5243">29.2.157. socket</a></dt>
</dl></dd>
<a name="operand-stack">
<dt>operand stack: <a href="../ch18_03.htm#INDEX-">18.3. Executing Your Code</a></dt>
<a name="operating-system-name">
<dt>operating system name: <a href="../ch28_02.htm#INDEX-4533">28.2. Special Variables in Alphabetical Order</a></dt>
<a name="operating-systems">
<dd><dl>
  <a name="operating-system">
<dt><a href="../ch00_01.htm#INDEX-1">0.1. The Pursuit of Happiness</a></dt>
<a name="#!-technique-simulating-on-non-Unix-systems">
  <dt>#! technique, simulating on non-Unix systems: <a href="../ch19_01.htm#INDEX-3346">19.1.1. #! and Quoting on Non-Unix Systems</a></dt>
  <a name="command-interpreters-for">
  <dt>command interpreters for: <a href="../ch19_01.htm#INDEX-3324">19.1. Command Processing</a></dt>
  <a name="flock-support-on">
  <dt>flock support on: <a href="../ch16_02.htm#INDEX-2957">16.2.1. File Locking</a></dt>
  <a name="fork-operator-support-for">
  <dt>fork operator, support for: <a href="../ch16_02.htm#INDEX-2981">16.2.2. Passing Filehandles </a></dt>
  <a name="GUIs-relying-on">
  <dt>GUIs, relying on: <a href="../ch25_04.htm#INDEX-4340">25.4. System Interaction</a></dt>
  <a name="interfaces-to-manipulating">
  <dt>interfaces to, manipulating: <a href="../ch32_01.htm#INDEX-5529">32.1.7. Operating System Interfaces</a></dt>
  <a name="invoking-interpreters-with-#!-line">
  <dt>invoking interpreters with #! line: <a href="../ch19_01.htm#INDEX-3331">19.1. Command Processing</a></dt>
  <a name="module-names-translating-to-directory-names">
  <dt>module names, translating to directory names: <a href="../ch11_01.htm#INDEX-2283">11.1. Using Modules</a></dt>
  <a name="newlines-variations-in">
  <dt>newlines, variations in: <a href="../ch25_01.htm#INDEX-4321">25.1. Newlines</a></dt>
  <a name="perl-interpreter-starting-on">
  <dt>perl interpreter, starting on: <a href="../ch01_03.htm#INDEX-156">1.3.1. How to Do It</a></dt>
  <a name="Perl-modules-for">
  <dt>Perl modules for: <a href="../ch22_01.htm#INDEX-3811">22.1. The CPAN modules Directory</a></dt>
  <a name="Perl-ports-to">
  <dt>Perl ports to: <a href="../ch22_01.htm#INDEX-3795">22. CPAN</a></dt>
  <a name="Perl-program-portability">
  <dt>Perl program portability: <a href="../ch25_01.htm#INDEX-4312">25. Portable Perl</a></dt>
  <a name="signal-reliability-on">
  <dt>signal reliability on: <a href="../ch16_01.htm#INDEX-2938">16.1.2. Reaping Zombies</a></dt>
  <a name="signals-and-default-behaviors-of">
  <dt>signals and default behaviors of: <a href="../ch16_01.htm#INDEX-2913">16.1. Signals</a></dt>
  <a name="sockets-support-for">
  <dt>sockets, support for: <a href="../ch16_05.htm#INDEX-3079">16.5. Sockets</a></dt>
  <a name="threading-libraries">
  <dt>threading libraries: <a href="../ch17_02.htm#INDEX-3134">17.2. The Thread Model</a></dt>
</dl></dd>
<a name="operations">
<dt>operations,
  <a name="contexts-evaluation-in">
contexts, evaluation in: <a href="../ch02_07.htm#INDEX-644">2.7.1. Scalar and List Context</a></dt>

<a name="operators">
<dt>operators: <a href="../ch01_05.htm#INDEX-190">1.5. Operators</a></dt><dd><dl>
  <dt><a href="../ch03_01.htm#INDEX-767">3. Unary and Binary Operators</a></dt>
  <a name="access-restricting-with-Safe-module">
  <dt>access, restricting with Safe module: <a href="../ch23_03.htm#INDEX-4071">23.3.1.2. Restricting operator access</a></dt>
  <a name="assignment-operators">
  <dt>assignment operators: <a href="../ch01_05.htm#INDEX-217">1.5.3. Assignment Operators</a></dt>
  <a name="associativity-of">
  <dt>associativity of: <a href="../ch03_01.htm#INDEX-770">3. Unary and Binary Operators</a></dt>
  <a name="C-language-missing-in-Perl">
  <dt>C language, missing in Perl: <a href="../ch03_21.htm#INDEX-1025">3.21. C Operators Missing from Perl</a></dt>
  <a name="operators-for-loop-control">
<dt>for loop control: <a href="../ch04_04.htm#INDEX-1113">4.4.4. Loop Control</a></dt>
<a name="logical-operators">
  <dt>logical operators: <a href="../ch01_05.htm#INDEX-238">1.5.5. Logical Operators</a></dt>
  <a name="matching-and-substitution">
  <dt>matching and substitution: <a href="../ch05_01.htm#INDEX-1262">5. Pattern Matching</a></dt>
  <a name="overloadable">
  <dt>overloadable: <a href="../ch13_03.htm#INDEX-2616">13.3. Overloadable Operators</a></dt><dd><dl>
    <a name="arithmetic-operators">
    <dt>arithmetic operators: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="assignment-operators">
    <dt>assignment operators: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="bitwise-operators">
    <dt>bitwise operators: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="circular-references-problems-with">
    <dt>circular references, problems with: <a href="../ch13_03.htm#INDEX-2625">13.3. Overloadable Operators</a></dt>
    <a name="comparison-operators">
    <dt>comparison operators: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="conversion-operators">
    <dt>conversion operators: <a href="../ch13_03.htm#INDEX-2619">13.3. Overloadable Operators</a></dt>
    <a name="dereference-operators">
    <dt>dereference operators: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="iterative-operator">
    <dt>iterative operator: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
    <a name="logical-negation-operator">
    <dt>logical negation operator: <a href="../ch13_03.htm#INDEX-">13.3. Overloadable Operators</a></dt>
  </dl></dd>
  <a name="overloading">
  <dt>overloading: <a href="../ch03_01.htm#INDEX-792">3. Unary and Binary Operators</a></dt><dd><dl>
    <dt><a href="../ch13_01.htm#INDEX-2601">13. Overloading</a></dt>
    <dt><a href="../ch32_01.htm#INDEX-5437">32.1.1. Data Types</a></dt>
  </dl></dd>
  <a name="pattern-matching">
  <dt>pattern-matching: <a href="../ch05_02.htm#INDEX-1298">5.2. Pattern-Matching Operators</a></dt><dd><dl>
    <a name="modifiers-for">
    <dt>modifiers for: <a href="../ch05_02.htm#INDEX-1335">5.2.1. Pattern Modifiers</a></dt>
  </dl></dd>
  <a name="positions-or-lengths-switching-to-character-positions">
  <dt>positions or lengths, switching to character positions: <a href="../ch15_02.htm#INDEX-2855">15.2. Effects of Character Semantics</a></dt>
  <a name="precedence-of">
  <dt>precedence of: <a href="../ch01_05.htm#INDEX-201">1.5.1. Some Binary Arithmetic Operators</a></dt><dd><dl>
    <dt><a href="../ch03_01.htm#INDEX-768">3. Unary and Binary Operators</a></dt>
    <a name="C-precedence-retaining-in-Perl">
    <dt>C precedence, retaining in Perl: <a href="../ch03_01.htm#INDEX-789">3. Unary and Binary Operators</a></dt>
  </dl></dd>
  <a name="quotes-syntactical-similarity-to">
  <dt>quotes, syntactical similarity to: <a href="../ch01_02.htm#INDEX-74">1.2.1.1. Singularities</a></dt>
  <a name="quoting-operators">
  <dt>quoting operators: <a href="../ch02_06.htm#INDEX-588">2.6.3. Pick Your Own Quotes</a></dt>
  <a name="scalar-context-supplying-to-parameters">
  <dt>scalar context, supplying to parameters: <a href="../ch01_02.htm#INDEX-70">1.2.1.1. Singularities</a></dt>
  <a name="string-operators">
  <dt>string operators: <a href="../ch01_05.htm#INDEX-203">1.5.2. String Operators</a></dt>
  <a name="verbs-as">
  <dt>verbs as: <a href="../ch01_02.htm#INDEX-144">1.2.2. Verbs</a></dt>
</dl></dd>
<a name="ops-module">
<dt>ops module: <a href="../ch32_01.htm#INDEX-5611">32.1.12. Authentication, Security, and Encryption</a></dt>
<a name="optimizing">
<dt>optimizing</dt><dd><dl>
  <a name="in-the-Perl-compiler">
  <dt>in the Perl compiler: <a href="../ch18_02.htm#INDEX-3249">18.2. Compiling Your Code</a></dt>
  <a name="performance-and">
  <dt>performance and: <a href="../ch24_02.htm#INDEX-4197">24.2. Efficiency</a></dt>
</dl></dd>
<a name="option-processing">
<dt>option processing,
  <a name="Perl-modules-for">
  Perl modules for: <a href="../ch32_01.htm#INDEX-5457">32.1.3. Option, Argument, Parameter, and Configuration&#10;File Processing</a></dt>
 <dd><dl>
<a name="option-processing-Perl-modules-for">
<dt><a href="../ch22_01.htm#INDEX-3855">22.1. The CPAN modules Directory</a></dt></dl></dd>
<a name="options">
<dt>options (see <a href="idx_s.htm#switches-command-line">switches, command-line</a>)
</dt><dd><dl>
  <dt><a href="../ch19_01.htm#INDEX-3364">19.1.3. Switches</a></dt>
</dl></dd>
<a name="OR-||-operator">
<dt>OR (||) operator: <a href="../ch03_14.htm#INDEX-972">3.14. C-Style Logical (Short-Circuit) Operators</a></dt><dd><dl>
  <a name="list-operators-and">
  <dt>list operators and: <a href="../ch04_07.htm#INDEX-1177">4.7. Global Declarations</a></dt>
</dl></dd>
<a name="OR-logical-operator">
<dt>OR logical operator: <a href="../ch01_05.htm#INDEX-245">1.5.5. Logical Operators</a></dt>
<a name="Or-operator">
<dt>Or operator: <a href="../ch01_05.htm#INDEX-246">1.5.5. Logical Operators</a></dt>
<a name="ord-function">
<dt>ord function: <a href="../ch15_02.htm#INDEX-2862">15.2. Effects of Character Semantics</a></dt><dd><dl>
  <dt><a href="../ch29_02.htm#INDEX-5080">29.2.106. ord</a></dt>
</dl></dd>
<a name="order">
<dt>order (see <a href="idx_p.htm#precedence">precedence</a>)
</dt><dd><dl>
  <a name="of-function-precedence">
  <dt>of function precedence: <a href="../ch29_01.htm#INDEX-4611">29. Functions</a></dt>
</dl></dd>
<a name="ornaments-option-debugger">
<dt>ornaments option (debugger): <a href="../ch20_03.htm#INDEX-3612">20.3.3. Debugger Options</a></dt>
<a name="OS-2-operating-system">
<dt>OS/2 operating system,
  <a name="invoking-Perl-applications-on">