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<html><head><title>Index: O</title></head><body bgcolor="#FFFFFF" text="#000000"><!-- START OF BODY --><!-- TOP BANNER --><p><img src="../gifs/smbanns.gif" usemap="#banner-map" border=0 alt="Book Home" ></p><map name="banner-map"><AREA SHAPE="RECT" COORDS="0,0,466,71" HREF="../index.htm" ALT="Programming Perl"><AREA SHAPE="RECT" COORDS="467,0,514,18" HREF="../jobjects/fsearch.htm" ALT="Search this book"></map><!-- TOP INDEX LINKS --><p><a href="idx_0.htm">Symbols</a>| <a href="idx_a.htm">A</a>| <a href="idx_b.htm">B</a>| <a href="idx_c.htm">C</a>| <a href="idx_d.htm">D</a>| <a href="idx_e.htm">E</a>| <a href="idx_f.htm">F</a>| <a href="idx_g.htm">G</a>| <a href="idx_h.htm">H</a>| <a href="idx_i.htm">I</a>| <a href="idx_j.htm">J</a>| <a href="idx_k.htm">K</a>| <a href="idx_l.htm">L</a>| <a href="idx_m.htm">M</a>| <a href="idx_n.htm">N</a>| <a href="idx_o.htm">O</a>| <a href="idx_p.htm">P</a>| <a href="idx_q.htm">Q</a>| <a href="idx_r.htm">R</a>| <a href="idx_s.htm">S</a>| <a href="idx_t.htm">T</a>| <a href="idx_u.htm">U</a>| <a href="idx_v.htm">V</a>| <a href="idx_w.htm">W</a>| <a href="idx_x.htm">X</a>| <a href="idx_y.htm">Y</a>| <a href="idx_z.htm">Z</a></FONT><!-- INDEX SECTION BODY --><H1>Index: O</H1><DL><a name="-o-effective-UID-file-test"><dt>-o (effective UID) file test: <a href="../ch03_10.htm#INDEX-894">3.10. Named Unary and File Test Operators</a></dt><a name="-o-modifier"><dt>/o modifier, <a name="recompilation-suppressing-with">recompilation, suppressing with: <a href="../ch05_09.htm#INDEX-1683">5.9.2. Variable Interpolation</a></dt><a name="O-module"><dt>O module: <a href="../ch18_04.htm#INDEX-3281">18.4. Compiler Backends</a></dt><dd><dl> <dt><a href="../ch18_06.htm#INDEX-3295">18.6. Code Development Tools</a></dt> <dt><a href="../ch32_01.htm#INDEX-5765">32.1.19. Perl Compiler and Code Generator</a></dt></dl></dd><a name="-o-pattern-modifier"><dt>/o pattern modifier: <a href="../ch05_02.htm#INDEX-1347">5.2.1. Pattern Modifiers</a></dt><dd><dl> <dt><a href="../ch05_02.htm#INDEX-1352">5.2.1. Pattern Modifiers</a></dt> <dt><a href="../ch05_02.htm#INDEX-1377">5.2.2. The m// Operator (Matching)</a></dt> <dt><a href="../ch05_02.htm#INDEX-1414">5.2.3. The s/// Operator (Substitution)</a></dt></dl></dd><a name="-O-real-UID-file-test"><dt>-O (real UID) file test: <a href="../ch03_10.htm#INDEX-898">3.10. Named Unary and File Test Operators</a></dt><a name="object"><dt>object <a name="classes">classes: <a href="../ch10_01.htm#INDEX-2190">10. Packages</a></dt> <a name="object-methods"><dt>object methods: <a name="methods"><a href="../ch08_03.htm#INDEX-2016">8.3.4. Using Object Methods</a></dt><dd><dl> <a name="locking"> <dt>locking: <a href="../ch17_02.htm#INDEX-3194">17.2.2.5. Locking methods</a></dt> <a name="Thread-objects"> <dt>Thread objects: <a href="../ch17_02.htm#INDEX-3142">17.2.1. The Thread Module</a></dt></dl></dd><a name="object-oriented-modules"><dt>object-oriented modules: <a href="../ch11_01.htm#INDEX-2274">11.1. Using Modules</a></dt><dd><dl> <a name="method-calls-allowing"> <dt>method calls, allowing: <a href="../ch11_02.htm#INDEX-2299">11.2. Creating Modules</a></dt></dl></dd><a name="object-oriented-programming"><dt>object-oriented programming: <a href="../ch10_01.htm#INDEX-2191">10. Packages</a></dt><dd><dl> <dt><a href="../ch12_01.htm#INDEX-2337">12.1. Brief Refresher on Object-Oriented Lingo</a></dt> <a name="abstraction-in"> <dt>abstraction in: <a href="../ch12_03.htm#INDEX-2365">12.3. Method Invocation</a></dt> <a name="modules-for-file-directory-and-IPC-access"> <dt>modules for file, directory, and IPC access: <a href="../ch32_01.htm#INDEX-5500">32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities</a></dt> <a name="Perl-modules-for"> <dt>Perl modules for: <a href="../ch22_01.htm#INDEX-3825">22.1. The CPAN modules Directory</a></dt> <a name="portable-filename-operations"> <dt>portable filename operations: <a href="../ch32_01.htm#INDEX-5482">32.1.4. Filenames, Filesystems, and File Locking</a></dt> <a name="references-in-Perl-emulating"> <dt>references in Perl, emulating: <a href="../ch10_01.htm#INDEX-2195">10. Packages</a></dt></dl></dd><a name="objects"><dt>objects: <a href="../ch01_02.htm#INDEX-118">1.2.1.3. Complexities</a></dt><dd><dl> <dt><a href="../ch12_01.htm#INDEX-2336">12. Objects</a></dt> <a name="blessing"> <dt>blessing: <a href="../ch03_02.htm#INDEX-815">3.2. The Arrow Operator</a></dt><dd><dl> <dt><a href="../ch29_02.htm#INDEX-4653">29.2.7. bless</a></dt> </dl></dd> <a name="class-data-managing"> <dt>class data, managing: <a href="../ch12_08.htm#INDEX-2584">12.8. Managing Class Data</a></dt> <a name="constructors"> <dt>constructors: <a href="../ch08_02.htm#INDEX-1991">8.2.3. Object Constructors</a></dt><dd><dl> <dt><a href="../ch12_04.htm#INDEX-2402">12.4. Object Construction</a></dt> <a name="inheritable"> <dt>inheritable: <a href="../ch12_04.htm#INDEX-2415">12.4.1. Inheritable Constructors</a></dt> <a name="initializers"> <dt>initializers: <a href="../ch12_04.htm#INDEX-2422">12.4.2. Initializers</a></dt> </dl></dd> <a name="destruction-of-global-controlling"> <dt>destruction of (global), controlling: <a href="../ch19_02.htm#INDEX-3494">19.2. Environment Variables</a></dt> <a name="functions-dealing-with"> <dt>functions dealing with: <a href="../ch29_01.htm#INDEX-">29.1. Perl Functions by Category</a></dt> <a name="indirect"> <dt>indirect (see <a href="idx_i.htm#indirect-objects">indirect objects</a>)</dt> <a name="inheritance-through-@ISA-array"> <dt>inheritance, through @ISA array: <a href="../ch12_05.htm#INDEX-2447">12.5.1. Inheritance Through @ISA</a></dt> <a name="instance-data-managing"> <dt>instance data, managing: <a href="../ch12_07.htm#INDEX-2518">12.7. Managing Instance Data</a></dt><dd><dl> <dt><a href="../ch12_07.htm#INDEX-2527">12.7.1. Field Declarations with use fields</a></dt> <a name="generating-accesors-with-closures"> <dt>generating accesors with closures: <a href="../ch12_07.htm#INDEX-2554">12.7.4. Generating Accessors with Closures</a></dt> <a name="generating-accessors-with-autoloading"> <dt>generating accessors with autoloading: <a href="../ch12_07.htm#INDEX-2548">12.7.3. Generating Accessors with Autoloading</a></dt> <a name="generating-classes-with-Class::Struct"> <dt>generating classes with Class::Struct: <a href="../ch12_07.htm#INDEX-2543">12.7.2. Generating Classes with Class::Struct</a></dt> <a name="new-features-Perl-5.6"> <dt>new features, Perl 5.6: <a href="../ch12_07.htm#INDEX-2571">12.7.6. New Tricks</a></dt> <a name="private-objects-using-closures-for"> <dt>private objects, using closures for: <a href="../ch12_07.htm#INDEX-2556">12.7.5. Using Closures for Private Objects</a></dt> </dl></dd> <a name="instance-destructors"> <dt>instance destructors: <a href="../ch12_06.htm#INDEX-2502">12.6. Instance Destructors</a></dt><dd><dl> <a name="garbage-collection-with"> <dt>garbage collection with: <a href="../ch12_06.htm#INDEX-2508">12.6.1. Garbage Collection with DESTROY Methods</a></dt> </dl></dd> <a name="methods-references-to"> <dt>methods, references to: <a href="../ch08_03.htm#INDEX-2037">8.3.7. Closures</a></dt><dd><dl> <dt><a href="../ch08_03.htm#INDEX-2038">8.3.7. Closures</a></dt> <dt>(see also <a href="idx_c.htm#closures">closures</a>)</dt> </dl></dd> <a name="Perl-object-system"> <dt>Perl object system: <a href="../ch12_02.htm#INDEX-2356">12.2. Perl's Object System</a></dt> <a name="references-to-in-scalars"> <dt>references to, in scalars: <a href="../ch01_02.htm#INDEX-61">1.2.1.1. Singularities</a></dt> <a name="storing-within-other-objects-vs.-inheritance"> <dt>storing within other objects vs. inheritance: <a href="../ch12_06.htm#INDEX-2506">12.6. Instance Destructors</a></dt> <a name="stringifying"> <dt>stringifying: <a href="../ch08_03.htm#INDEX-2026">8.3.6. Other Tricks You Can Do with Hard References</a></dt> <a name="tied-variables-underlying"> <dt>tied variables, underlying: <a href="../ch14_01.htm#INDEX-2667">14. Tied Variables</a></dt><dd><dl> <a name="breaking-reference-to"> <dt>breaking reference to: <a href="../ch14_05.htm#INDEX-2763">14.5. A Subtle Untying Trap</a></dt> </dl></dd></dl></dd><a name="oct-function"><dt>oct function: <a href="../ch02_06.htm#INDEX-544">2.6.1. Numeric Literals</a></dt><dd><dl> <dt><a href="../ch29_02.htm#INDEX-5031">29.2.103. oct</a></dt></dl></dd><a name="octal-characters"><dt>octal characters: <a href="../ch02_06.htm#INDEX-545">2.6.1. Numeric Literals</a></dt><a name="octal-numbers"><dt>octal numbers: <a href="../ch29_02.htm#INDEX-5032">29.2.103. oct</a></dt><dd><dl> <a name="characters-representing"> <dt>characters, representing: <a href="../ch15_01.htm#INDEX-2808">15.1. Building Character</a></dt> <a name="characters-specifying-with"> <dt>characters, specifying with: <a href="../ch05_03.htm#INDEX-1506">5.3.2. Specific Characters</a></dt> <a name="specifying-$--as"> <dt>specifying $/ as: <a href="../ch19_01.htm#INDEX-3373">19.1.3. Switches</a></dt></dl></dd><a name="octets"><dt>octets (see <a href="idx_b.htm#bytes">bytes</a>)</dt><a name="offsets"><dd><dl> <a name="for-m---successes"> <dt>for m// successes: <a href="../ch29_02.htm#INDEX-5120">29.2.112. pos</a></dt> <a name="read-function-and"> <dt>read function and: <a href="../ch29_02.htm#INDEX-5141">29.2.120. read</a></dt> <a name="seek-function"> <dt>seek function: <a href="../ch29_02.htm#INDEX-5187">29.2.138. seek</a></dt></dl></dd><a name="OLE-Perl-modules-for"><dt>OLE, Perl modules for: <a href="../ch22_01.htm#INDEX-3896">22.1. The CPAN modules Directory</a></dt><a name="one-liners"><dt>one-liners: <a href="../ch01_03.htm#INDEX-157">1.3.1. How to Do It</a></dt><dd><dl></dl></dd><a name="OOP"><dt>OOP (see <a href="idx_o.htm#object-oriented-programming">object-oriented programming</a>)⌨️ 快捷键说明
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