📄 idx_e.htm
字号:
<html><head><title>Index: E</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: E</H2><DL><!-- ========================== --><a name="each-function"><dt>each function: <a href="../ch05_03.htm#INDEX-407">5.3.2. The each Function</a></dt><dd><dl> <a name="DBM-hashes-and"> <dt>DBM hashes and: <a href="../ch16_01.htm#INDEX-1037">16.1.2. Using a DBM Hash</a></dt> </dl></dd><!-- ========================== --><a name="echo-command"><dt>echo command: <a href="../ch12_02.htm#INDEX-855">12.2. Globbing</a></dt><!-- ========================== --><a name="elements"><dt>elements: <a href="../ch03_01.htm#INDEX-261">3. Lists and Arrays </a></dt><dd><dl> <a name="of-an-array"> <dt>of an array: <a href="../ch03_01.htm#INDEX-265">3.1. Accessing Elements of an Array</a></dt> <a name="pop-and-push-operators-for"> <dt>pop and push operators for: <a href="../ch03_04.htm#INDEX-283">3.4.1. The pop and push Operators</a></dt> </dl></dd><!-- ========================== --><a name="else-clause-using-with-unless-control-structure"><dt>else clause, using with unless control structure: <a href="../ch10_01.htm#INDEX-638">10.1.1. The else Clause with unless</a></dt><!-- ========================== --><a name="else-keyword"><dt>else keyword: <a href="../ch02_07.htm#INDEX-230">2.7. The if Control Structure</a></dt><!-- ========================== --><a name="elsif-clause"><dt>elsif clause: <a href="../ch10_05.htm#INDEX-661">10.5. The elsif Clause</a></dt><!-- ========================== --><a name="emacs-text-editor"><dt>emacs text editor: <a href="../ch01_04.htm#INDEX-64">1.4. How Do I Make a Perl Program?</a></dt><!-- ========================== --><a name="email-addresses-compile-time-errors-and"><dt>email addresses, compile time errors and: <a href="../ch03_05.htm#INDEX-293">3.5. Interpolating Arrays into Strings</a></dt><!-- ========================== --><a name="email-Net-:-:SMTP-module-for"><dt>email, Net::SMTP module for: <a href="../appb_05.htm#INDEX-1167"> B.5.8. The Net::SMTP Module</a></dt><!-- ========================== --><a name="embedding-code"><dt>embedding code: <a href="../appb_24.htm#INDEX-1305"> B.24. Embedding</a></dt><!-- ========================== --><a name="end-of-file-end-of-input"><dt>end-of-file/end-of-input: <a href="../ch03_09.htm#INDEX-310">3.9. <STDIN> in List Context</a></dt><dd><dl> <a name="bad-filehandles-and"> <dt>bad filehandles and: <a href="../ch11_02.htm#INDEX-753">11.2.2. Bad Filehandles</a></dt> </dl></dd><!-- ========================== --><a name="endless-loop-stopping"><dt>endless loop, stopping: <a href="../ch02_10.htm#INDEX-245">2.10. The while Control Structure</a></dt><!-- ========================== --><a name="environment-variables"><dt>environment variables: <a href="../ch14_03.htm#INDEX-957">14.3. The Environment Variables</a></dt><!-- ========================== --><a name="Epoch"><dt>Epoch: <a href="../ch11_06.htm#INDEX-824">11.6.1. The stat and lstat Functions</a></dt><!-- ========================== --><a name="error-messages"><dt>error messages: <a href="../ch02_04.htm#INDEX-171">2.4. Perl's Built-in Warnings</a></dt><dd><dl> <a name="printed-by-die-function"> <dt>printed by die function: <a href="../ch11_03.htm#INDEX-760">11.3. Fatal Errors with die</a></dt> <a name="sending-to-a-file"> <dt>sending to a file: <a href="../ch11_05.htm#INDEX-792">11.5. Reopening a Standard Filehandle</a></dt> <a name="standard-output-and"> <dt>standard output and: <a href="../ch14_04.htm#INDEX-966">14.4. Using Backquotes to Capture Output</a></dt> </dl></dd><!-- ========================== --><a name="errors"><dt>errors (see <a href="idx_f.htm#fatal-errors">fatal errors</a>)</dt><!-- ========================== --><a name="eval-block"><dt>eval block: <a href="../ch17_01.htm#INDEX-1084">17.1. Trapping Errors with eval</a></dt><dd><dl> <a name="caution-with"> <dt>caution with: <a href="../ch17_01.htm#INDEX-1087">17.1. Trapping Errors with eval</a></dt> </dl></dd><!-- ========================== --><a name="exec-function"><dt>exec function: <a href="../ch14_02.htm#INDEX-955">14.2. The exec Function</a></dt><!-- ========================== --><a name="exercises-in-this-book"><dt>exercises in this book: <a href="../ch01_01.htm#INDEX-9">1.1.3. What About the Exercises and Their Answers?</a></dt><dd><dl> <a name="answers-to"> <dt>answers to: <a href="../appa_01.htm#INDEX-1119"> A. Exercise Answers</a></dt> </dl></dd><!-- ========================== --><a name="exists-function"><dt>exists function: <a href="../ch05_04.htm#INDEX-411">5.4.1. The exists Function</a></dt><!-- ========================== --><a name="exit-status"><dt>exit status: <a href="../ch11_03.htm#INDEX-761">11.3. Fatal Errors with die</a></dt><!-- ========================== --><a name="exponentiation-operator-**"><dt>exponentiation operator (**): <a href="../ch02_02.htm#INDEX-141">2.2.5. Numeric Operators</a></dt><!-- ========================== --><a name="expressions"><dt>expressions</dt><dd><dl> <a name="context-and"> <dt>context and: <a href="../ch03_08.htm#INDEX-302">3.8. Scalar and List Context</a></dt> <a name="modifiers-for"> <dt>modifiers for: <a href="../ch10_03.htm#INDEX-644">10.3. Expression Modifiers</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
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -