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<a name="Pod::Usage-module">
<dt>Pod::Usage module: <a href="../ch32_01.htm#INDEX-5691">32.1.16. Documentation Support</a></dt>
<a name="POE-Perl-Object-Environment">
<dt>POE (Perl Object Environment): <a href="../ch22_01.htm#INDEX-3827">22.1. The CPAN modules Directory</a></dt>
<a name="poetry-in-Perl">
<dt>poetry in Perl: <a href="../ch27_02.htm#INDEX-4385">27.2. Perl Poetry</a></dt>
<a name="pointers">
<dt>pointers: <a href="../ch02_03.htm#INDEX-429">2.3. Built-in Data Types</a></dt><dd><dl>
  <a name="references-unable-to-convert-to">
  <dt>references, unable to convert to: <a href="../ch02_06.htm#INDEX-536">2.6. Scalar Values</a></dt>
  <a name="to-strings">
  <dt>to strings: <a href="../ch29_02.htm#INDEX-5096">29.2.108. pack</a></dt>
</dl></dd>
<a name="pointers-C-language">
<dt>pointers (C language): <a href="../ch08_01.htm#INDEX-1951">8. References</a></dt>
<a name="poll-function">
<dt>poll function: <a href="../ch32_01.htm#INDEX-5513">32.1.5. Filehandle, Directory Handle, and&#10;Stream I/O Utilities</a></dt>
<a name="polluting-your-namespace">
<dt>polluting your namespace: <a href="../ch11_02.htm#INDEX-2309">11.2.1. Module Privacy and the Exporter</a></dt>
<a name="polymorphism">
<dt>polymorphism: <a href="../ch12_01.htm#INDEX-2352">12.1. Brief Refresher on Object-Oriented Lingo</a></dt><dd><dl>
</dl></dd>
<a name="pop-function">
<dt>pop function: <a href="../ch09_01.htm#INDEX-2076">9. Data Structures</a></dt><dd><dl>
  <dt><a href="../ch29_02.htm#INDEX-5114">29.2.111. pop</a></dt>
</dl></dd>
<a name="POP-method">
<dt>POP method: <a href="../ch14_02.htm#INDEX-">14.2.1. Array-Tying Methods</a></dt>
<a name="popen-function-C-language">
<dt>popen function (C language): <a href="../ch21_04.htm#INDEX-3749">21.4. Embedding Perl (Using Perl from C)</a></dt>
<a name="portability">
<dt>portability</dt><dd><dl>
<a name="portability-Perl-programs">
<dt>Perl programs: <a href="../ch25_01.htm#INDEX-4311">25. Portable Perl</a></dt>


  <a name="of-files-and-filesystems">
  <dt>of files and filesystems: <a href="../ch25_03.htm#INDEX-4333">25.3. Files and Filesystems</a></dt>
  <a name="functions-information-on">
  <dt>functions, information on: <a href="../ch29_02.htm#INDEX-4629">29.2. Perl Functions in Alphabetical Order</a></dt>
  <a name="scripts-using-gethostent-function">
  <dt>scripts using gethostent function: <a href="../ch29_02.htm#INDEX-4838">29.2.49. gethostent</a></dt>
  <a name="of-signals">
  <dt>of signals: <a href="../ch25_04.htm#INDEX-4345">25.4. System Interaction</a></dt>
</dl></dd>
<a name="porting">
<dt>porting,
  <a name="information-on">
  information on: <a href="../ch16_01.htm#INDEX-2881">16. Interprocess Communication</a></dt>

<a name="porting-efficiency-of">
<dt>porting, efficiency of: <a href="../ch24_02.htm#INDEX-4239">24.2.5. Porter Efficiency</a></dt>
<a name="ports">
<dd><dl>
  <a name="name-number-translations-for">
  <dt>name/number translations for: <a href="../ch29_02.htm#INDEX-4896">29.2.64. getservbyname</a></dt>
  <a name="Perl-to-operating-systems">
  <dt>Perl, to operating systems: <a href="../ch22_01.htm#INDEX-3794">22. CPAN</a></dt>
</dl></dd>
<a name="pos-function">
<dt>pos function: <a href="../ch05_06.htm#INDEX-1629">5.6.4. Progressive Matching</a></dt><dd><dl>
  <dt><a href="../ch05_06.htm#INDEX-1633">5.6.5. Where You Left Off: The \G Assertion</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5117">29.2.112. pos</a></dt>
</dl></dd>
<a name="positional-assertions">
<dt>positional assertions: <a href="../ch05_06.htm#INDEX-1635">5.6.5. Where You Left Off: The \G Assertion</a></dt><dd><dl>
  <a name="ordering-of-matching-changing-with">
  <dt>ordering of matching, changing with: <a href="../ch05_08.htm#INDEX-1673">5.8. Alternation</a></dt>
</dl></dd>
<a name="positions">
<dt>positions: <a href="../ch05_06.htm#INDEX-1603">5.6. Positions</a></dt><dd><dl>
  <a name="beginnings-of-strings-matching">
  <dt>beginnings of strings, matching: <a href="../ch05_06.htm#INDEX-1612">5.6.1. Beginnings: The \A and ^ Assertions</a></dt>
  <a name="ends-of-strings-matching">
  <dt>ends of strings, matching: <a href="../ch05_06.htm#INDEX-1620">5.6.2. Endings: The \z, \Z, and $ Assertions</a></dt>
  <a name="operators-switching-to-character-positions">
  <dt>operators switching to character positions: <a href="../ch15_02.htm#INDEX-2856">15.2. Effects of Character Semantics</a></dt>
  <a name="position-just-after-previous-match-specifying">
  <dt>position just after previous match, specifying: <a href="../ch05_06.htm#INDEX-1636">5.6.5. Where You Left Off: The \G Assertion</a></dt>
  <a name="precedence-in-pattern-matching">
  <dt>precedence in pattern matching: <a href="../ch05_09.htm#INDEX-1705">5.9.4. The Little Engine That /Could(n't)?/</a></dt>
  <a name="substr-function-manipulating-with">
  <dt>substr function, manipulating with: <a href="../ch05_06.htm#INDEX-1608">5.6. Positions</a></dt>
  <a name="word-boundaries-matching">
  <dt>word boundaries, matching: <a href="../ch05_06.htm#INDEX-1624">5.6.3. Boundaries: The \b and \B Assertions</a></dt>
</dl></dd>
<a name="positive-lookahead-assertions">
<dt>positive lookahead assertions: <a href="../ch05_09.htm#INDEX-1709">5.9.4. The Little Engine That /Could(n't)?/</a></dt><dd><dl>
  <dt><a href="../ch05_10.htm#INDEX-1743">5.10.1. Lookaround Assertions</a></dt>
</dl></dd>
<a name="POSIX-classes">
<dt>POSIX classes: <a href="../ch05_04.htm#INDEX-1530">5.4. Character Classes</a></dt>
<a name="POSIX-module">
<dt>POSIX module: <a href="../ch32_01.htm#INDEX-5534">32.1.7. Operating System Interfaces</a></dt><dd><dl>
  <a name="getattr-function">
  <dt>getattr function: <a href="../ch29_02.htm#INDEX-4805">29.2.43. getc</a></dt>
  <a name="getting-exported-functions-and-variables-with">
  <dt>getting exported functions and variables with: <a href="../ch11_01.htm#INDEX-2297">11.1. Using Modules</a></dt>
  <a name="signal-blocking-with">
  <dt>signal blocking with: <a href="../ch16_01.htm#INDEX-2947">16.1.4. Blocking Signals</a></dt>
  <a name="strftime-function">
  <dt>strftime function: <a href="../ch29_02.htm#INDEX-4991">29.2.88. localtime</a></dt>
</dl></dd>
<a name="POSIX-style-character-classes">
<dt>POSIX-style character classes: <a href="../ch05_04.htm#INDEX-1580">5.4.4. POSIX-Style Character Classes</a></dt>
<a name="possible-matches-specifying-set-of">
<dt>possible matches, specifying set of: <a href="../ch05_08.htm#INDEX-1672">5.8. Alternation</a></dt>
<a name="post-incremented-post-decremented-variables">
<dt>post-incremented (post-decremented) variables: <a href="../ch01_05.htm#INDEX-234">1.5.4. Unary Arithmetic Operators</a></dt>
<a name="postincrement-and-postdecrement-operators">
<dt>postincrement and postdecrement operators: <a href="../ch03_01.htm#INDEX-783">3. Unary and Binary Operators</a></dt>
<a name="$POSTMATCH">
<dt>$POSTMATCH: <a href="../ch28_02.htm#INDEX-4560">28.2. Special Variables in Alphabetical Order</a></dt>
<a name="Postscript-Perl-modules-for">
<dt>Postscript, Perl modules for: <a href="../ch22_01.htm#INDEX-3851">22.1. The CPAN modules Directory</a></dt>
<a name="PPM-Perl-Package-Manager">
<dt>PPM (Perl Package Manager): <a href="../ch22_02.htm#INDEX-3913">22.2. Using CPAN Modules</a></dt><dd><dl>
  <dt><a href="../ch22_02.htm#INDEX-3919">22.2. Using CPAN Modules</a></dt>
</dl></dd>
<a name="pragmas">
<dt>pragmas: <a href="../ch01_02.htm#INDEX-133">1.2.1.4. Simplicities</a></dt><dd><dl>
  <dt><a href="../ch04_07.htm#INDEX-1182">4.7. Global Declarations</a></dt>
  <dt><a href="../ch04_09.htm#INDEX-1237">4.9. Pragmas</a></dt>
  <dt><a href="../ch10_01.htm#INDEX-2182">10. Packages</a></dt>
  <dt><a href="../ch19_01.htm#INDEX-3427">19.1.3. Switches</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5384">29.2.192. use</a></dt>
  <a name="lexically-scoped">
  <dt>lexically scoped: <a href="../ch04_09.htm#INDEX-1241">4.9. Pragmas</a></dt>
  <a name="modules-and">
  <dt>modules and: <a href="../ch11_01.htm#INDEX-2294">11.1. Using Modules</a></dt>
  <a name="names-capitalization-in">
  <dt>names, capitalization in: <a href="../ch02_05.htm#INDEX-481">2.5. Names</a></dt>
  <a name="use-charnames">
  <dt>use charnames: <a href="../ch02_06.htm#INDEX-570">2.6.2. String Literals</a></dt>
</dl></dd>
<a name="pre-extending-arrays">
<dt>pre-extending arrays: <a href="../ch24_02.htm#INDEX-4226">24.2.1. Time Efficiency</a></dt>
<a name="pre-incremented-pre-decremented-variables">
<dt>pre-incremented (pre-decremented) variables: <a href="../ch01_05.htm#INDEX-233">1.5.4. Unary Arithmetic Operators</a></dt>
<a name="precedence">
<dt>precedence: <a href="../ch29_01.htm#INDEX-4610">29. Functions</a></dt><dd><dl>
  <a name="diagnostic-messages">
  <dt>diagnostic messages: <a href="../ch33_01.htm#INDEX-5823">33. Diagnostic Messages</a></dt>
  <a name="key-value-pair-hashes">
  <dt>key/value pair (hashes): <a href="../ch02_09.htm#INDEX-714">2.9. Hashes</a></dt>
  <a name="logical-operators">
  <dt>logical operators: <a href="../ch01_05.htm#INDEX-241">1.5.5. Logical Operators</a></dt><dd><dl>
    <dt><a href="../ch03_20.htm#INDEX-1018">3.20. Logical and, or, not, and xor</a></dt>
    <dt><a href="../ch12_03.htm#INDEX-2385">12.3.3. Syntactic Snafus with Indirect Objects</a></dt>
  </dl></dd>
  <a name="modifiers-vs.-commas">
  <dt>modifiers vs. commas: <a href="../ch04_08.htm#INDEX-1213">4.8.1. Scoped Variable Declarations</a></dt>
  <a name="operator-table-of">
  <dt>operator, table of: <a href="../ch03_01.htm#INDEX-777">3. Unary and Binary Operators</a></dt>
  <a name="Perl-versions-changes-in">
  <dt>Perl versions, changes in: <a href="../ch24_01.htm#INDEX-4168">24.1.5. Previous Perl Traps</a></dt>
  <a name="regular-expression-matching">
  <dt>regular expression matching: <a href="../ch05_09.htm#INDEX-1701">5.9.4. The Little Engine That /Could(n't)?/</a></dt>
  <a name="unary-operators-higher-than-binary">
  <dt>unary operators, higher than binary: <a href="../ch03_10.htm#INDEX-876">3.10. Named Unary and File Test Operators</a></dt>
</dl></dd>
<a name="predeclaring-subroutines">
<dt>predeclaring subroutines: <a href="../ch12_05.htm#INDEX-2491">12.5.4. Method Autoloading</a></dt><dd><dl>
  <dt><a href="../ch32_01.htm#INDEX-5650">32.1.13. Perl Language Extensions and Internals</a></dt>
</dl></dd>
<a name="prefix-operators">
<dt>prefix operators: <a href="../ch01_05.htm#INDEX-195">1.5. Operators</a></dt><dd><dl>
  <dt><a href="../ch03_01.htm#INDEX-782">3. Unary and Binary Operators</a></dt>
  <a name="metacharacters-working-as">
  <dt>metacharacters working as: <a href="../ch05_03.htm#INDEX-1469">5.3. Metacharacters and Metasymbols</a></dt>
</dl></dd>
<a name="$PREMATCH">
<dt>$PREMATCH: <a href="../ch28_02.htm#INDEX-4562">28.2. Special Variables in Alphabetical Order</a></dt>
<a name="prepending-directories-to-@INC">
<dt>prepending, directories to @INC: <a href="../ch19_01.htm#INDEX-3417">19.1.3. Switches</a></dt>
<a name="prepending-elements-to-arrays">
<dt>prepending elements to arrays: <a href="../ch29_02.htm#INDEX-5377">29.2.190. unshift</a></dt>
<a name="preprocessing-Perl">
<dt>preprocessing Perl: <a href="../ch24_05.htm#INDEX-4290">24.5.2. Generating Perl in Other Languages</a></dt><dd><dl>
</dl></dd>
<a name="preprocessor-C-language">
<a name="print-function">
<dt>print function: <a href="../ch01_04.htm#INDEX-186">1.4. Filehandles</a></dt><dd><dl>
  <dt><a href="../ch01_08.htm#INDEX-399">1.8. List Processing</a></dt>
  <dt><a href="../ch24_02.htm#INDEX-4204">24.2.1. Time Efficiency</a></dt>
  <dt><a href="../ch24_02.htm#INDEX-4220">24.2.1. Time Efficiency</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5122">29.2.113. print</a></dt>
  <a name="implementing-to-tied-filehandle">
  <dt>implementing to tied filehandle: <a href="../ch14_04.htm#INDEX-">14.4.1. Filehandle-Tying Methods</a></dt>
</dl></dd>
<a name="print-statements">
<dt>print statements,
  <a name="comma-error-in">
comma error in: <a href="../ch24_01.htm#INDEX-4104">24.1.1. Universal Blunders</a></dt>

<a name="printf-function">
<dt>printf function: <a href="../ch03_16.htm#INDEX-987">3.16. Conditional Operator</a></dt><dd><dl>
  <dt><a href="../ch24_02.htm#INDEX-4203">24.2.1. Time Efficiency</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5127">29.2.114. printf</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-5264">29.2.162. sprintf</a></dt>
  <a name="using-on-tied-filehandle">
  <dt>using on tied filehandle: <a href="../ch14_04.htm#INDEX-">14.4.1. Filehandle-Tying Methods</a></dt>
</dl></dd>
<a name="printing">
<dt>printing</dt><dd><dl>
  <a name="arrays-of-hashes">
  <dt>arrays of hashes: <a href="../ch09_03.htm#INDEX-2135">9.3.3. Access and Printing of an Array of Hashes</a></dt>
  <a name="hashes-of-arrays">
  <dt>hashes of arrays: <a href="../ch09_02.htm#INDEX-2121">9.2.3. Access and Printing of a Hash of Arrays</a></dt>
  <a name="multidimensional-arrays">
  <dt>multidimensional arrays: <a href="../ch09_01.htm#INDEX-2093">9.1.3. Access and Printing</a></dt><dd><dl>
    <dt><a href="../ch09_02.htm#INDEX-2116">9.2. Hashes of Arrays</a></dt>
    <dt><a href="../ch09_04.htm#INDEX-2143">9.4. Hashes of Hashes</a></dt>
  </dl></dd>
  <a name="multidimensional-hashes">
  <dt>multidimensional hashes: <a href="../ch09_04.htm#INDEX-2149">9.4.3. Access and Printing of a Hash of Hashes</a></dt><dd><dl>
    <dt><a href="../ch09_06.htm#INDEX-2166">9.6.1. Composition, Access, and Printing of&#10;More Elaborate Records</a></dt>
  </dl></dd>
  <a name="nested-data-structures">
  <dt>nested data structures: <a href="../ch20_02.htm#INDEX-3544">20.2.4. Display</a></dt>
  <a name="typeglob-contents">
  <dt>typeglob contents: <a href="../ch20_03.htm#INDEX-3624">20.3.3. Debugger Options</a></dt>
</dl></dd>
<a name="PrintRet-option-debugger">
<dt>PrintRet option (debugger): <a href="../ch20_03.htm#INDEX-3611">20.3.3. Debugger Options</a></dt>
<a name="priority-process">
<dt>priority, process: <a href="../ch29_02.htm#INDEX-4871">29.2.57. getpriority</a></dt><dd><dl>
  <dt><a href="../ch29_02.htm#INDEX-5215">29.2.147. setpriority</a></dt>
</dl></dd>
<a name="privacy">