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<html><head><title>Index: F</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" ></a></p><map name="banner-map"><area alt="Learning Perl, 3rd. Ed." href="../index.htm" coords="1,-2,616,66" shape="rect"><area alt="Search this book" href="../jobjects/fsearch.htm" coords="629,-11,726,25" shape="rect"></map><!-- TOP INDEX LINKS --><p><a href="idx_0.htm">Symbols & Numbers</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 --><H2>Index: F</H2><DL><!-- ========================== --><a name="fatal-errors"><dt>fatal errors</dt><dd><dl> <a name="die-function-for"> <dt>die function for: <a href="../ch11_03.htm#INDEX-758">11.3. Fatal Errors with die</a></dt> <a name="trapping-with-eval-block"> <dt>trapping with eval block: <a href="../ch17_01.htm#INDEX-1085">17.1. Trapping Errors with eval</a></dt> </dl></dd><!-- ========================== --><a name="Fatal-module"><dt>Fatal module: <a href="../appb_05.htm#INDEX-1156"> B.5.3. The Fatal Module</a></dt><!-- ========================== --><a name="file-extensions"><dt>file extensions: <a href="../ch01_04.htm#INDEX-72">1.4.1. A Simple Program</a></dt><!-- ========================== --><a name="File-:-:Basename-module"><dt>File::Basename module: <a href="../ch13_08.htm#INDEX-930">13.8.1. The File::Basename Module</a></dt><dd><dl> <dt><a href="../appb_05.htm#INDEX-1157"> B.5.4. The File::Basename Module</a></dt></dl></dd><!-- ========================== --><a name="File-:-:Copy-module"><dt>File::Copy module: <a href="../appb_05.htm#INDEX-1159"> B.5.5. The File::Copy Module</a></dt><!-- ========================== --><a name="File-:-:Find-library"><dt>File::Find library: <a href="../ch12_05.htm#INDEX-872">12.5. Recursive Directory Listing</a></dt><!-- ========================== --><a name="filehandles"><dt>filehandles: <a href="../ch11_01.htm#INDEX-729">11.1. What Is a Filehandle?</a></dt><dd><dl> <a name="bad"> <dt>bad: <a href="../ch11_02.htm#INDEX-751">11.2.2. Bad Filehandles</a></dt> <a name="default-for-output-changing"> <dt>default for output, changing: <a href="../ch11_04.htm#INDEX-784">11.4.1. Changing the Default Output Filehandle</a></dt> <a name="opening-closing"> <dt>opening/closing: <a href="../ch11_02.htm#INDEX-742">11.2. Opening a Filehandle</a></dt> <a name="processes-as"> <dt>processes as: <a href="../ch14_05.htm#INDEX-974">14.5. Processes as Filehandles</a></dt> <a name="reading-vs.-globbing"> <dt>reading, vs. globbing: <a href="../ch12_03.htm#INDEX-860">12.3. An Alternate Syntax for Globbing</a></dt> <a name="reopening"> <dt>reopening: <a href="../ch11_05.htm#INDEX-790">11.5. Reopening a Standard Filehandle</a></dt> <a name="tests-for"> <dt>tests for: <a href="../ch11_06.htm#INDEX-795">11.6. File Tests</a></dt><dd><dl> <a name="list-of"> <dt>list of: <a href="../ch11_06.htm#INDEX-797">11.6. File Tests</a></dt> </dl></dd> <a name="underscore"> <dt>underscore: <a href="../ch11_06.htm#INDEX-844">11.6.5. Using the Special Underscore Filehandle</a></dt> <a name="using"> <dt>using: <a href="../ch11_04.htm#INDEX-780">11.4. Using Filehandles</a></dt> </dl></dd><!-- ========================== --><a name="filename-extensions"><dt>filename extensions: <a href="../ch01_04.htm#INDEX-71">1.4.1. A Simple Program</a></dt><!-- ========================== --><a name="filenames-File-:-:Spec-module-for-manipulating"><dt>filenames, File::Spec module for manipulating: <a href="../appb_05.htm#INDEX-1161"> B.5.6. The File::Spec Module</a></dt><!-- ========================== --><a name="files"><dt>files</dt><dd><dl> <a name="database-in-place-editing-of"> <dt>database, in-place editing of: <a href="../ch16_04.htm#INDEX-1063">16.4. Variable-length (Text) Databases</a></dt><dd><dl> <a name="from-command-line"> <dt>from command line: <a href="../ch16_04.htm#INDEX-1071">16.4.1. In-place Editing from the Command Line</a></dt> </dl></dd> <a name="File-:-:Copy-module-for-copying-moving"> <dt>File::Copy module for copying/moving: <a href="../appb_05.htm#INDEX-1160"> B.5.5. The File::Copy Module</a></dt> <a name="image-Image-:-:Size-module-for"> <dt>image, Image::Size module for: <a href="../appb_05.htm#INDEX-1165"> B.5.7. The Image::Size Module</a></dt> <a name="links-to-finding-with-stat-function"> <dt>links to, finding with stat function: <a href="../ch11_06.htm#INDEX-801">11.6.1. The stat and lstat Functions</a></dt> <a name="manipulating"> <dt>manipulating: <a href="../ch13_01.htm#INDEX-874">13. Manipulating Files and Directories</a></dt> <a name="names-of-directory-handles-for-reading"> <dt>names of, directory handles for reading: <a href="../ch12_04.htm#INDEX-868">12.4. Directory Handles</a></dt> <a name="ownership-of-changing"> <dt>ownership of, changing: <a href="../ch13_06.htm#INDEX-915">13.6. Changing Ownership</a></dt> <a name="removing"> <dt>removing: <a href="../ch13_01.htm#INDEX-875">13.1. Removing Files</a></dt> <a name="renaming"> <dt>renaming: <a href="../ch13_02.htm#INDEX-881">13.2. Renaming Files</a></dt> <a name="size-of-scalar-variable-for-finding"> <dt>size of, scalar variable for finding: <a href="../ch11_06.htm#INDEX-818">11.6.1. The stat and lstat Functions</a></dt> <a name="specifications-of-File-:-:Spec-module-for-manipulating"> <dt>specifications of, File::Spec module for manipulating: <a href="../ch13_08.htm#INDEX-939">13.8.3. The File::Spec Module</a></dt><dd><dl> <dt><a href="../appb_05.htm#INDEX-1162"> B.5.6. The File::Spec Module</a></dt> </dl></dd> <a name="tests-for"> <dt>tests for: <a href="../ch11_06.htm#INDEX-794">11.6. File Tests</a></dt><dd><dl> <a name="list-of"> <dt>list of: <a href="../ch11_06.htm#INDEX-796">11.6. File Tests</a></dt> </dl></dd> </dl></dd><!-- ========================== --><a name="File-:-:Spec-module"><dt>File::Spec module: <a href="../ch13_08.htm#INDEX-938">13.8.3. The File::Spec Module</a></dt><dd><dl> <dt><a href="../appb_05.htm#INDEX-1163"> B.5.6. The File::Spec Module</a></dt></dl></dd><!-- ========================== --><a name="find-command-Unix"><dt>find command (Unix): <a href="../ch14_05.htm#INDEX-977">14.5. Processes as Filehandles</a></dt><dd><dl> <dt><a href="../appb_26.htm#INDEX-1314"> B.26. Converting find Command Lines to Perl</a></dt></dl></dd><!-- ========================== --><a name="find2perl-command"><dt>find2perl command: <a href="../appb_26.htm#INDEX-1315"> B.26. Converting find Command Lines to Perl</a></dt><!-- ========================== --><a name="first-found-occurrence-of-a-substring-index-function-for"><dt>first found occurrence of a substring, index function for: <a href="../ch15_01.htm#INDEX-994">15.1. Finding a Substring with index</a></dt><!-- ========================== --><a name="fixed-length-random-access-databases"><dt>fixed-length random-access databases: <a href="../ch16_03.htm#INDEX-1050">16.3. Fixed-length Random-access Databases</a></dt><!-- ========================== --><a name="flags"><dt>flags: <a href="../ch09_02.htm#INDEX-581">9.2. Option Modifiers</a></dt><!-- ========================== --><a name="flat-file-databases"><dt>flat-file databases: <a href="../appb_07.htm#INDEX-1199"> B.7.2. Flat-file Database Access</a></dt><!-- ========================== --><a name="Flintstones"><dt>Flintstones</dt><dd><dl> <a name="anchors-and"> <dt>anchors and: <a href="../ch08_03.htm#INDEX-553">8.3.1. Word Anchors</a></dt> <a name="illustrating-backreferences"> <dt>illustrating backreferences: <a href="../ch08_04.htm#INDEX-561">8.4.1. Backreferences</a></dt> <a name="illustrating-hash-names"> <dt>illustrating hash names: <a href="../ch05_02.htm#INDEX-388">5.2. Hash Element Access</a></dt> <a name="illustrating-Unix-grep-command"> <dt>illustrating Unix grep command: <a href="../ch07_01.htm#INDEX-496">7.1. What Are Regular Expressions?</a></dt> <a name="precedence-and"> <dt>precedence and: <a href="../ch08_05.htm#INDEX-566">8.5.1. Examples of Precedence</a></dt> </dl></dd><!-- ========================== --><a name="floating-point-conversion"><dt>floating-point conversion: <a href="../ch06_05.htm#INDEX-480">6.5. Formatted Output with printf</a></dt><!-- ========================== --><a name="floating-point-literals"><dt>floating-point literals: <a href="../ch02_02.htm#INDEX-120">2.2.2. Floating-Point Literals</a></dt><!-- ========================== --><a name="flushed-buffer"><dt>flushed buffer: <a href="../ch06_04.htm#INDEX-460">6.4. Output to Standard Output</a></dt><!-- ========================== --><a name="footnotes-in-this-book"><dt>footnotes in this book: <a href="../ch01_01.htm#INDEX-5">1.1.2. Why Are There So Many Footnotes?</a></dt><!-- ========================== --><a name="for-control-structure"><dt>for control structure: <a href="../ch10_07.htm#INDEX-673">10.7. The for Control Structure</a></dt><dd><dl> <a name="vs.-foreach-control-structure"> <dt>vs. foreach control structure: <a href="../ch10_07.htm#INDEX-679">10.7.1. The Secret Connection Between foreach and for</a></dt> </dl></dd><!-- ========================== --><a name="foreach-control-structure"><dt>foreach control structure: <a href="../ch03_06.htm#INDEX-294">3.6. The foreach Control Structure</a></dt><dd><dl> <a name="naked-block-control-structure-and"> <dt>naked block control structure and: <a href="../ch10_04.htm#INDEX-657">10.4. The Naked Block Control Structure</a></dt> <a name="vs.-for-control-structure"> <dt>vs. for control structure: <a href="../ch10_07.htm#INDEX-678">10.7.1. The Secret Connection Between foreach and for</a></dt> </dl></dd><!-- ========================== --><a name="foreach-modifier"><dt>foreach modifier: <a href="../ch10_03.htm#INDEX-650">10.3. Expression Modifiers</a></dt><dd><dl> <dt><a href="../ch10_03.htm#INDEX-654">10.3. Expression Modifiers</a></dt></dl></dd><!-- ========================== --><a name="fork-system-call"><dt>fork system call: <a href="../ch14_06.htm#INDEX-981">14.6. Getting Down and Dirty with Fork</a></dt><dd><dl> <a name="using-instead-of-threads"> <dt>using instead of threads: <a href="../appb_31.htm#INDEX-1330"> B.31. Threads and Forking</a></dt> </dl></dd><!-- ========================== --><a name="format-letters"><dt>format letters: <a href="../ch16_02.htm#INDEX-1047">16.2. Manipulating Data with pack and unpack</a></dt><!-- ========================== --><a name="format-strings"><dt>format strings: <a href="../ch16_02.htm#INDEX-1045">16.2. Manipulating Data with pack and unpack</a></dt><!-- ========================== --><a name="formats"><dt>formats: <a href="../appb_12.htm#INDEX-1243"> B.12. Formats</a></dt><!-- ========================== --><a name="formatted-output"><dt>formatted output: <a href="../ch06_05.htm#INDEX-468">6.5. Formatted Output with printf</a></dt><!-- ========================== --><a name="forward-slashes-Ú-Ú"><dt>forward slashes (Ú Ú)</dt><dd><dl> <a name="enclosing-a-pattern"> <dt>enclosing a pattern: <a href="../ch07_02.htm#INDEX-501">7.2. Using Simple Patterns</a></dt> <a name="vs.-m---operator"> <dt>vs. m// operator: <a href="../ch09_01.htm#INDEX-579">9.1. Matches with m//</a></dt> </dl></dd><!-- ========================== --><a name="Friedl-Jeffrey"><dt>Friedl, Jeffrey: <a href="../appb_02.htm#INDEX-1128"> B.2. Regular expressions</a></dt><!-- ========================== --><a name="function-calls-parentheses-and"><dt>function calls, parentheses and: <a href="../ch06_04.htm#INDEX-464">6.4. Output to Standard Output</a></dt><!-- ========================== --><a name="functions"><dt>functions</dt><dd><dl> <a name="builtin-ampersand-and"> <dt>builtin, ampersand and: <a href="../ch04_11.htm#INDEX-365">4.11.1. Omitting the Ampersand</a></dt> <a name="defaults-for"> <dt>defaults for: <a href="../ch01_02.htm#INDEX-20">1.2.2. Is Perl Easy or Hard?</a></dt> </dl></dd></dl><!-- BOTTOM INDEX LINKS --><p><hr width="684" align="LEFT"><a href="idx_0.htm">Symbols & Numbers</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><!-- LIBRARY NAV BAR --><hr width="684" align="left"><img src="../../gifs/smnavbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links"><p><font size="-1"><a href="../copyrght.htm">Copyright © 2002</a>O'Reilly & Associates, Inc.All Rights Reserved.</font></p><map name="library-map"><area shape="rect" coords="1,0,85,94" href="../../index.htm"><area shape="rect" coords="86,1,178,103" href="../../lwp/index.htm"><area shape="rect" coords="180,0,265,103" href="../../lperl/index.htm"><area shape="rect" coords="267,0,353,105" href="../../perlnut/index.htm"><area shape="rect" coords="354,1,446,115" href="../../prog/index.htm"><area shape="rect" coords="448,0,526,132" href="../../tk/index.htm"><area shape="rect" coords="528,1,615,119" href="../../cookbook/index.htm"><area shape="rect" coords="617,0,690,135" href="../../pxml/index.htm"></map><!-- END OF BODY --></body></html>⌨️ 快捷键说明
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