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<html><head><title>Index: D</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: D</H1><DL><a name="^D-Control-D-as-eof"><dt>^D (Control-D) as eof: <a href="../ch24_05.htm#INDEX-4296">24.5.2. Generating Perl in Other Languages</a></dt><a name="-d-debug-command-line-switch"><a name="Control-D-as-eof"><dt>Control-D as eof: <a href="../ch24_05.htm#INDEX-4295">24.5.2. Generating Perl in Other Languages</a></dt><a name="Control-D-character"><dt>Control-D character: <a href="../ch02_06.htm#INDEX-635">2.6.8. Other Literal Tokens</a></dt><dd><dl><a name="Control-D-key"><dt><a href="../ch02_06.htm#INDEX-631">2.6.8. Other Literal Tokens</a></dt></dl></dd><dt>-d (debug) command-line switch: <a href="../ch19_01.htm#INDEX-3388">19.1.3. Switches</a></dt><dd><dl> <dt><a href="../ch19_01.htm#INDEX-3389">19.1.3. Switches</a></dt> <dt><a href="../ch20_01.htm#INDEX-3502">20. The Perl Debugger</a></dt></dl></dd><a name="-D-debugging-command-line-switch"><dt>-D (debugging) command-line switch: <a href="../ch19_01.htm#INDEX-3394">19.1.3. Switches</a></dt><a name="d-for-digit=-d-for-digit"><dt>d for digit=\d (for digit): <a href="../ch01_07.htm#INDEX-359">1.7. Regular Expressions</a></dt><a name="-d-modifier"><dt>/d modifier: <a href="../ch05_02.htm#INDEX-1446">5.2.4. The tr/// Operator (Transliteration)</a></dt><a name="-d-pattern-modifier"><dt>/d pattern modifier: <a href="../ch05_02.htm#INDEX-1442">5.2.4. The tr/// Operator (Transliteration)</a></dt><a name="-d-switch-perl"><dt>-d switch, perl: <a href="../ch20_06.htm#INDEX-3650">20.6. The Perl Profiler</a></dt><a name="daemons"><dt>daemons</dt><dd><dl> <a name="Perl-modules-for"> <dt>Perl modules for: <a href="../ch22_01.htm#INDEX-3876">22.1. The CPAN modules Directory</a></dt> <a name="taint-mode-importance-of-enabling-for"> <dt>taint mode, importance of enabling for: <a href="../ch23_01.htm#INDEX-3968">23.1. Handling Insecure Data</a></dt></dl></dd><a name="dangling-statements"><a name="data"><dt>data</dt><dd><dl> <a name="byte-oriented-vs.-character-oriented"> <dt>byte-oriented vs. character-oriented: <a href="../ch15_01.htm#INDEX-2805">15. Unicode</a></dt> <a name="fixed-length-functions-for"> <dt>fixed-length, functions for: <a href="../ch29_01.htm#INDEX-">29.1. Perl Functions by Category</a></dt> <a name="insecure-handling"> <dt>insecure, handling: <a href="../ch23_01.htm#INDEX-3955">23.1. Handling Insecure Data</a></dt><dd><dl> <a name="code-masquerading-as-data"> <dt>code masquerading as data: <a href="../ch23_03.htm#INDEX-4079">23.3.2. Code Masquerading as Data</a></dt> <a name="command-and-file-access-under-reduced-privileges"> <dt>command and file access under reduced privileges: <a href="../ch23_01.htm#INDEX-4001">23.1.3. Accessing Commands and Files Under Reduced Privileges</a></dt> <a name="detecting-and-laundering-tainted-data"> <dt>detecting and laundering tainted data: <a href="../ch23_01.htm#INDEX-3984">23.1.1. Detecting and Laundering Tainted Data</a></dt> <a name="environment-cleaning-up"> <dt>environment, cleaning up: <a href="../ch23_01.htm#INDEX-3993">23.1.2. Cleaning Up Your Environment</a></dt> </dl></dd> <a name="screen-dump-providing"> <dt>screen dump, providing: <a href="../ch32_01.htm#INDEX-5636">32.1.13. Perl Language Extensions and Internals</a></dt></dl></dd><a name="data-access"><dt>data access</dt><dd><dl> <a name="threads"> <dt>threads: <a href="../ch17_02.htm#INDEX-3174">17.2.2. Data Access</a></dt><dd><dl> <a name="condition-variables"> <dt>condition variables: <a href="../ch17_02.htm#INDEX-3197">17.2.2.6. Condition variables</a></dt> <a name="deadlock"> <dt>deadlock: <a href="../ch17_02.htm#INDEX-3185">17.2.2.2. Deadlock</a></dt> <a name="locking-methods"> <dt>locking methods: <a href="../ch17_02.htm#INDEX-3196">17.2.2.5. Locking methods</a></dt> <a name="locking-subroutines"> <dt>locking subroutines: <a href="../ch17_02.htm#INDEX-3189">17.2.2.3. Locking subroutines</a></dt> <a name="synchronizing-with-lock"> <dt>synchronizing with lock: <a href="../ch17_02.htm#INDEX-3178">17.2.2.1. Synchronizing access with lock</a></dt> <a name="unlocking"> <dt>unlocking: <a href="../ch17_02.htm#INDEX-3184">17.2.2.1. Synchronizing access with lock</a></dt> </dl></dd></dl></dd><a name="DATA-filehandle"><dt>DATA filehandle: <a href="../ch28_02.htm#INDEX-4428">28.2. Special Variables in Alphabetical Order</a></dt><a name="data-organization-in-Perl"><dt>data organization in Perl: <a href="../ch09_01.htm#INDEX-2105">9.1.5. Common Mistakes</a></dt><a name="data-structures"><dt>data structures: <a href="../ch09_01.htm#INDEX-2070">9. Data Structures</a></dt><dd><dl> <dt><a href="../ch22_01.htm#INDEX-3822">22.1. The CPAN modules Directory</a></dt> <a name="arrays-of-hashes"> <dt>arrays of hashes: <a href="../ch09_03.htm#INDEX-2129">9.3. Arrays of Hashes</a></dt> <a name="complex-representing-as-scalars"> <dt>complex, representing as scalars: <a href="../ch01_02.htm#INDEX-114">1.2.1.3. Complexities</a></dt> <a name="flat-linear-in-Perl"> <dt>flat, linear in Perl: <a href="../ch08_01.htm#INDEX-1949">8. References</a></dt> <a name="hashes-of-arrays"> <dt>hashes of arrays: <a href="../ch09_02.htm#INDEX-2115">9.2. Hashes of Arrays</a></dt> <a name="hashes-of-functions"> <dt>hashes of functions: <a href="../ch09_05.htm#INDEX-2156">9.5. Hashes of Functions</a></dt> <a name="multidimensional-hashes"> <dt>multidimensional hashes: <a href="../ch09_04.htm#INDEX-2142">9.4. Hashes of Hashes</a></dt> <a name="objects"> <dt>objects (see <a href="idx_o.htm#objects">objects</a>)</dt> <a name="persistent-providing-via-tie"> <dt>persistent, providing via tie: <a href="../ch14_06.htm#INDEX-2779">14.6. Tie Modules on CPAN</a></dt> <a name="records-of-elaborate"> <dt>records of elaborate: <a href="../ch09_06.htm#INDEX-2162">9.6. More Elaborate Records</a></dt> <a name="references-to"> <dt>references to: <a href="../ch08_01.htm#INDEX-1970">8.1. What Is a Reference?</a></dt> <a name="saving"> <dt>saving: <a href="../ch09_07.htm#INDEX-2172">9.7. Saving Data Structures</a></dt> <a name="self-referential-container-classes-holding-pointers-to"> <dt>self-referential, container classes holding pointers to: <a href="../ch12_06.htm#INDEX-2513">12.6.1. Garbage Collection with DESTROY Methods</a></dt> <a name="stringifying"> <dt>stringifying: <a href="../ch09_07.htm#INDEX-2175">9.7. Saving Data Structures</a></dt></dl></dd><a name="__DATA__-token"><dt>__DATA__ token: <a href="../ch02_06.htm#INDEX-637">2.6.8. Other Literal Tokens</a></dt><dd><dl> <dt><a href="../ch28_02.htm#INDEX-4430">28.2. Special Variables in Alphabetical Order</a></dt></dl></dd><a name="data-types"><dt>data types: <a href="../ch01_02.htm#INDEX-33">1.2.1. Variable Syntax</a></dt><dd><dl> <a name="built-in"> <dt>built-in: <a href="../ch02_03.htm#INDEX-426">2.3. Built-in Data Types</a></dt> <a name="converting-between-C-and-Perl"> <dt>converting between C and Perl: <a href="../ch21_04.htm#INDEX-3780">21.4.5. Fiddling with the Perl Stack from C</a></dt> <a name="internal-Perl-and-C"> <dt>internal, Perl and C: <a href="../ch21_02.htm#INDEX-3678">21.2. Internal Data Types</a></dt> <a name="modules-for"> <dt>modules for: <a href="../ch32_01.htm#INDEX-5426">32.1.1. Data Types</a></dt> <a name="scalars"> <dt>scalars (see <a href="idx_s.htm#scalars">scalars</a>)</dt> <a name="TYPE-declarations-in-Perl"> <dt>TYPE declarations in Perl: <a href="../ch29_02.htm#INDEX-5022">29.2.99. my</a></dt> <a name="typeglobs"> <dt>typeglobs: <a href="../ch02_10.htm#INDEX-727">2.10. Typeglobs and Filehandles</a></dt></dl></dd><a name="databases"><dt>databases</dt><dd><dl> <a name="Data-Base-Management"> <dt>Data Base Management (see <a href="idx_d.htm#DBM-files">DBM files</a>)</dt> <a name="Perl-connections-to"> <dt>Perl connections to: <a href="../ch05_01.htm#INDEX-1254">5. Pattern Matching</a></dt> <a name="Perl-modules-for-operating"> <dt>Perl modules for operating: <a href="../ch22_01.htm#INDEX-3830">22.1. The CPAN modules Directory</a></dt> <a name="see-also-DBI"> <dt>see also DBI: <a href="../ch22_01.htm#INDEX-3831">22.1. The CPAN modules Directory</a></dt> <a name="tying-hash-variables-to"> <dt>tying hash variables to: <a href="../ch14_01.htm#INDEX-2662">14. Tied Variables</a></dt></dl></dd><a name="Data::Dumper"><dt>Data::Dumper: <a href="../ch09_07.htm#INDEX-2173">9.7. Saving Data Structures</a></dt><dd><dl><a name="Data::Dumper-module"><dt><a href="../ch32_01.htm#INDEX-5623">32.1.13. Perl Language Extensions and Internals</a></dt><dd><dl> <dt><a href="../ch32_10.htm#INDEX-5815">32.10. Data::Dumper</a></dt></dl></dd></dl></dd><a name="datagrams"><dt>datagrams: <a href="../ch16_05.htm#INDEX-3067">16.5. Sockets</a></dt><dd><dl></dl></dd><a name="date-function"><dt>date function (see <a href="idx_l.htm#localtime-function">localtime function</a>)</dt><a name="dates"><dt>dates, <a name="Perl-modules-for">Perl modules for: <a href="../ch22_01.htm#INDEX-3823">22.1. The CPAN modules Directory</a></dt><a name="dates-portability-of"><dt>dates, portability of: <a href="../ch25_08.htm#INDEX-4365">25.8. Dates and Times</a></dt><a name="DB-module"><dt>DB module: <a href="../ch32_01.htm#INDEX-5625">32.1.13. Perl Language Extensions and Internals</a></dt><a name="DB-package"><dt>DB package, <a name="caller-function">caller function: <a href="../ch29_02.htm#INDEX-4658">29.2.8. caller</a></dt><a name="DBD-Database-drivers"><dt>DBD (Database drivers)</dt><dd><dl> <a name="Perl-modules-for"> <dt>Perl modules for: <a href="../ch22_01.htm#INDEX-3829">22.1. The CPAN modules Directory</a></dt></dl></dd><a name="DB_File-module"><dt>DB_File module: <a href="../ch32_01.htm#INDEX-5595">32.1.10. DBM Interfaces</a></dt><dd><dl> <a name="Data::Dumper-module-using-with"> <dt>Data::Dumper module, using with: <a href="../ch32_10.htm#INDEX-5818">32.10. Data::Dumper</a></dt></dl></dd><a name="DBI-Database-Interface"><dt>DBI (Database Interface), <a name="Perl-modules-for">Perl modules for: <a href="../ch22_01.htm#INDEX-3828">22.1. The CPAN modules Directory</a></dt><a name="DBM-files"><dd><dl> <a name="complex-data-values-storing-in"> <dt>complex data values, storing in: <a href="../ch32_10.htm#INDEX-5816">32.10. Data::Dumper</a></dt> <a name="dbmclose-and-dbmopen-functions"> <dt>dbmclose and dbmopen functions: <a href="../ch29_02.htm#INDEX-4710">29.2.21. dbmclose</a></dt> <a name="deleting-from"> <dt>deleting from: <a href="../ch29_02.htm#INDEX-4725">29.2.24. delete</a></dt> <a name="locking"> <dt>locking: <a href="../ch16_02.htm#INDEX-2967">16.2.1. File Locking</a></dt> <a name="modules-for"> <dt>modules for: <a href="../ch32_01.htm#INDEX-5592">32.1.10. DBM Interfaces</a></dt><dt> <a name="storing-complex-data-values-in">storing complex data values in: <a href="../ch14_06.htm#INDEX-2773">14.6. Tie Modules on CPAN</a></dt>⌨️ 快捷键说明
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