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<html><head><title>Index: S</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: S</H2><DL><!-- ========================== --><a name="s----substitution-operator"><dt>s/// substitution operator: <a href="../ch09_06.htm#INDEX-607">9.6. Substitutions with s///</a></dt><dd><dl> <a name="vs.-m---operator"> <dt>vs. m// operator: <a href="../ch09_06.htm#INDEX-609">9.6. Substitutions with s///</a></dt> </dl></dd><!-- ========================== --><a name="scalar-context"><dt>scalar context: <a href="../ch03_08.htm#INDEX-300">3.8. Scalar and List Context</a></dt><dd><dl> <a name="forcing"> <dt>forcing: <a href="../ch03_08.htm#INDEX-306">3.8.3. Forcing Scalar Context</a></dt> </dl></dd><!-- ========================== --><a name="scalar-variables"><dt>scalar variables</dt><dd><dl> <a name="autoincrements-autodecrements-for"> <dt>autoincrements/autodecrements for: <a href="../ch10_06.htm#INDEX-667">10.6. Autoincrement and Autodecrement</a></dt> <a name="stat-function-and"> <dt>stat function and: <a href="../ch11_06.htm#INDEX-805">11.6.1. The stat and lstat Functions</a></dt> </dl></dd><!-- ========================== --><a name="scalars"><dt>scalars: <a href="../ch02_01.htm#INDEX-111">2.1. What Is Scalar Data?</a></dt><dd><dl> <a name="values-of-assigning-to-variables"> <dt>values of, assigning to variables: <a href="../ch02_05.htm#INDEX-185">2.5.2. Scalar Assignment</a></dt> </dl></dd><!-- ========================== --><a name="scope-of-variables"><dt>scope of variables: <a href="../ch04_09.htm#INDEX-355">4.9. Notes on Lexical (my) Variables</a></dt><dd><dl> <a name="naked-block-control-structure-and"> <dt>naked block control structure and: <a href="../ch10_04.htm#INDEX-658">10.4. The Naked Block Control Structure</a></dt> </dl></dd><!-- ========================== --><a name="scoped-variables"><dt>scoped variables (see <a href="idx_l.htm#lexical-variables">lexical variables</a>)</dt><!-- ========================== --><a name="security"><dt>security: <a href="../appb_14.htm#INDEX-1256"> B.14. Security</a></dt><dd><dl> <a name="CGI-programs-and"> <dt>CGI programs and: <a href="../appb_16.htm#INDEX-1267"> B.16. The Common Gateway Interface (CGI)</a></dt> </dl></dd><!-- ========================== --><a name="seek-function"><dt>seek function: <a href="../ch16_03.htm#INDEX-1054">16.3. Fixed-length Random-access Databases</a></dt><!-- ========================== --><a name="select-operator"><dt>select operator: <a href="../ch11_04.htm#INDEX-787">11.4.1. Changing the Default Output Filehandle</a></dt><!-- ========================== --><a name="semicolon-;"><dt>semicolon (;)</dt><dd><dl> <a name="ending-expressions"> <dt>ending expressions: <a href="../ch01_04.htm#INDEX-90">1.4.2. What's Inside That Program?</a></dt> <a name="in-for-foreach-control-structures"> <dt>in for/foreach control structures: <a href="../ch10_07.htm#INDEX-680">10.7.1. The Secret Connection Between foreach and for</a></dt> <a name="return-value-expressions-and"> <dt>return value expressions and: <a href="../ch04_06.htm#INDEX-342">4.6. Private Variables in Subroutines</a></dt> </dl></dd><!-- ========================== --><a name="shell-avoiding"><dt>shell, avoiding: <a href="../ch14_01.htm#INDEX-953">14.1.1. Avoiding the Shell</a></dt><!-- ========================== --><a name="shift-operator"><dt>shift operator: <a href="../ch03_04.htm#INDEX-287">3.4.2. The shift and unshift Operators</a></dt><!-- ========================== --><a name="shortcuts"><dt>shortcuts: <a href="../ch01_02.htm#INDEX-22">1.2.2. Is Perl Easy or Hard?</a></dt><dd><dl> <a name="character-class"> <dt>character class: <a href="../ch08_01.htm#INDEX-528">8.1.1. Character Class Shortcuts</a></dt> <a name="negating"> <dt>negating: <a href="../ch08_01.htm#INDEX-537">8.1.2. Negating the Shortcuts</a></dt> </dl></dd><!-- ========================== --><a name="SIGINT"><dt>SIGINT: <a href="../ch14_07.htm#INDEX-986">14.7. Sending and Receiving Signals</a></dt><!-- ========================== --><a name="signals-sending-receiving"><dt>signals, sending/receiving: <a href="../ch14_07.htm#INDEX-984">14.7. Sending and Receiving Signals</a></dt><!-- ========================== --><a name="single-quoted-string-literals"><dt>single-quoted string literals: <a href="../ch02_03.htm#INDEX-149">2.3.1. Single-Quoted String Literals</a></dt><!-- ========================== --><a name="single-quotes-'-'-enclosing-strings"><dt>single quotes (' ') enclosing strings: <a href="../ch02_03.htm#INDEX-151">2.3.1. Single-Quoted String Literals</a></dt><!-- ========================== --><a name="slash-with-dot-.-"><dt>slash with dot (./): <a href="../ch01_04.htm#INDEX-77">1.4.1. A Simple Program</a></dt><!-- ========================== --><a name="slices"><dt>slices: <a href="../ch17_06.htm#INDEX-1113">17.6. Slices</a></dt><!-- ========================== --><a name="SMTP-servers-Net-:-:SMTP-module-for"><dt>SMTP servers, Net::SMTP module for: <a href="../appb_05.htm#INDEX-1168"> B.5.8. The Net::SMTP Module</a></dt><!-- ========================== --><a name="sockets-TCP-IP"><dt>sockets (TCP/IP): <a href="../appb_13.htm#INDEX-1253"> B.13.2. Sockets</a></dt><!-- ========================== --><a name="soft-links"><dt>soft links: <a href="../ch13_03.htm#INDEX-898">13.3. Links and Files</a></dt><dd><dl> <dt><a href="../ch13_03.htm#INDEX-899">13.3. Links and Files</a></dt></dl></dd><!-- ========================== --><a name="sort-subroutines-sort-definition-subroutines"><dt>sort subroutines (sort-definition subroutines): <a href="../ch15_04.htm#INDEX-1012">15.4. Advanced Sorting</a></dt><!-- ========================== --><a name="sorting"><dt>sorting</dt><dd><dl> <a name="advanced"> <dt>advanced: <a href="../ch15_04.htm#INDEX-1011">15.4. Advanced Sorting</a></dt> <a name="sort-operator-for"> <dt>sort operator for: <a href="../ch03_07.htm#INDEX-298">3.7.2. The sort Operator</a></dt> </dl></dd><!-- ========================== --><a name="s2p-conversion-program"><dt>s2p conversion program: <a href="../appb_25.htm#INDEX-1312"> B.25. Converting Other Languages to Perl</a></dt><!-- ========================== --><a name="spaces"><dt>spaces: <a href="../ch08_01.htm#INDEX-536">8.1.1. Character Class Shortcuts</a></dt><dd><dl> <a name="--s-shortcut-for"> <dt>\\s shortcut for: <a href="../ch08_01.htm#INDEX-535">8.1.1. Character Class Shortcuts</a></dt> </dl></dd><!-- ========================== --><a name="spaceship-operator"><dt>spaceship operator: <a href="../ch15_04.htm#INDEX-1013">15.4. Advanced Sorting</a></dt><!-- ========================== --><a name="spaceship-operator-"><dt>spaceship operator (): <a href="../ch15_04.htm#INDEX-1014">15.4. Advanced Sorting</a></dt><!-- ========================== --><a name="splice-operator"><dt>splice operator: <a href="../appb_10.htm#INDEX-1237"> B.10.2. The splice Operator</a></dt><!-- ========================== --><a name="split-operator"><dt>split operator: <a href="../ch09_07.htm#INDEX-628">9.7. The split Operator</a></dt><dd><dl> <dt><a href="../ch17_06.htm#INDEX-1114">17.6. Slices</a></dt> <a name="vs.-join-function"> <dt>vs. join function: <a href="../ch09_08.htm#INDEX-632">9.8. The join Function</a></dt> </dl></dd><!-- ========================== --><a name="sports-scores-sorting"><dt>sports scores, sorting: <a href="../ch15_04.htm#INDEX-1023">15.4.1. Sorting a Hash by Value</a></dt><!-- ========================== --><a name="sprintf-function"><dt>sprintf function: <a href="../ch15_03.htm#INDEX-1000">15.3. Formatting Data with sprintf</a></dt><!-- ========================== --><a name="sqrt-function"><dt>sqrt function: <a href="../ch10_04.htm#INDEX-659">10.4. The Naked Block Control Structure</a></dt><!-- ========================== --><a name="square-brackets-[-]"><dt>square brackets ([ ])</dt><dd><dl> <a name="in-character-classes"> <dt>in character classes: <a href="../ch08_01.htm#INDEX-525">8.1. Character Classes</a></dt> <a name="in-pattern-test-program-results"> <dt>in pattern test program results: <a href="../ch07_03.htm#INDEX-519">7.3. A Pattern Test Program</a></dt> </dl></dd><!-- ========================== --><a name="square-root"><dt>square root: <a href="../appb_09.htm#INDEX-1215"> B.9.1. Advanced Math Functions</a></dt><!-- ========================== -->⌨️ 快捷键说明
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