📄 idx_s.htm
字号:
<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" ></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: S</H1><DL><a name="-S-file-test-operator"><dt>-S file test operator: <a href="../ch03_10.htm#INDEX-906">3.10. Named Unary and File Test Operators</a></dt><a name="s-for-whitespace=-s-for-whitespace"><dt>s for whitespace=\s (for whitespace): <a href="../ch01_07.htm#INDEX-357">1.7. Regular Expressions</a></dt><a name="s-operator"><dt>s operator (see <a href="idx_s.htm#substitution-operator">substitution operator</a>)</dt><a name="-s-pattern-modifier"><dt>/s pattern modifier: <a href="../ch05_02.htm#INDEX-1344">5.2.1. Pattern Modifiers</a></dt><dd><dl> <dt><a href="../ch05_02.htm#INDEX-1375">5.2.2. The m// Operator (Matching)</a></dt> <dt><a href="../ch05_02.htm#INDEX-1412">5.2.3. The s/// Operator (Substitution)</a></dt> <dt><a href="../ch05_02.htm#INDEX-1444">5.2.4. The tr/// Operator (Transliteration)</a></dt></dl></dd><a name="-S-search-for-script-command-line-switch"><dt>-S (search for script) command-line switch: <a href="../ch19_01.htm#INDEX-3438">19.1.3. Switches</a></dt><a name="s---substitution-operator"><dt>s// (substitution) operator: <a href="../ch24_01.htm#INDEX-4116">24.1.1. Universal Blunders</a></dt><a name="-s-switch-command-line-switch"><dt>-s (switch) command-line switch: <a href="../ch19_01.htm#INDEX-3436">19.1.3. Switches</a></dt><dd><dl> <dt><a href="../ch20_01.htm#INDEX-3499">20. The Perl Debugger</a></dt></dl></dd><a name="safe-compartments-for-insecure-code"><dt>safe compartments for insecure code: <a href="../ch23_03.htm#INDEX-4061">23.3.1. Safe Compartments</a></dt><a name="Safe-module"><dt>Safe module: <a href="../ch23_03.htm#INDEX-4060">23.3.1. Safe Compartments</a></dt><dd><dl> <dt><a href="../ch32_01.htm#INDEX-5612">32.1.12. Authentication, Security, and Encryption</a></dt> <a name="insecure-code-handling"> <dt>insecure code, handling with: <a name="restricting-operator-access"><a href="../ch23_03.htm#INDEX-4070">23.3.1.2. Restricting operator access</a></dt> <dd><dl> <a name="insecure-code-handling-with"> <dt><a href="../ch23_03.htm#INDEX-4064">23.3.1. Safe Compartments</a></dt></dl></dd></dl></dd><a name="save-stack"><dt>save stack: <a href="../ch18_03.htm#INDEX-">18.3. Executing Your Code</a></dt><a name="saving-data-structures"><dt>saving data structures: <a href="../ch09_07.htm#INDEX-2174">9.7. Saving Data Structures</a></dt><a name="scalar-context"><dt>scalar context: <a href="../ch02_07.htm#INDEX-642">2.7.1. Scalar and List Context</a></dt><dd><dl> <a name="Boolean-values-and"> <dt>Boolean values and: <a href="../ch02_07.htm#INDEX-655">2.7.2. Boolean Context</a></dt><dd><dl> </dl></dd> <a name="comma-operator-in"> <dt>comma operator in: <a href="../ch03_18.htm#INDEX-1013">3.18. Comma Operators</a></dt><dd><dl> <dt><a href="../ch24_01.htm#INDEX-4182">24.1.5. Previous Perl Traps</a></dt> </dl></dd> <a name="conditional-operator-in"> <dt>conditional operator in: <a href="../ch03_16.htm#INDEX-985">3.16. Conditional Operator</a></dt> <a name="expressions-in"> <dt>expressions in (see <a href="idx_e.htm#EXPRs">EXPRs</a>)</dt> <a name="forcing"> <dt>forcing: <a href="../ch29_02.htm#INDEX-5184">29.2.137. scalar</a></dt> <a name="functions-in"> <dt>functions in: <a href="../ch29_01.htm#INDEX-4617">29. Functions</a></dt> <a name="-g-pattern-modifier-use-in"> <dt>/g pattern modifier, use in: <a href="../ch05_02.htm#INDEX-1385">5.2.2. The m// Operator (Matching)</a></dt> <a name="hash-variables-evaluating-in"> <dt>hash variables, evaluating in: <a href="../ch02_09.htm#INDEX-717">2.9. Hashes</a></dt> <a name="keys-function-calling-in"> <dt>keys function, calling in: <a href="../ch14_03.htm#INDEX-">14.3.1. Hash-Tying Methods</a></dt> <a name="list-assignment-in"> <dt>list assignment in: <a href="../ch02_08.htm#INDEX-694">2.8.1. List Assignment</a></dt><dd><dl> <dt><a href="../ch03_17.htm#INDEX-1010">3.17. Assignment Operators</a></dt> </dl></dd> <a name="lvalues-in"> <dt>lvalues in: <a href="../ch04_08.htm#INDEX-1210">4.8.1. Scoped Variable Declarations</a></dt> <a name="m---match-operator-in"> <dt>m// (match) operator in: <a href="../ch05_02.htm#INDEX-1366">5.2.2. The m// Operator (Matching)</a></dt> <a name="operations-behaving-differently-in"> <dt>operations behaving differently in: <a href="../ch24_01.htm#INDEX-4126">24.1.2. Frequently Ignored Advice</a></dt> <a name="range-..-operator-in"> <dt>range (..) operator in: <a href="../ch03_15.htm#INDEX-977">3.15. Range Operator</a></dt> <a name="recognizing-in-debugger"> <dt>recognizing in debugger: <a href="../ch20_01.htm#INDEX-3518">20.1. Using the Debugger</a></dt> <a name="subroutines-calling-and-evaluating-in"> <dt>subroutines, calling and evaluating in: <a href="../ch06_02.htm#INDEX-1816">6.2. Semantics</a></dt> <a name="subtypes-of"> <dt>subtypes of: <a href="../ch02_07.htm#INDEX-649">2.7.1. Scalar and List Context</a></dt> <a name="void-context"> <dt>void context: <a href="../ch02_07.htm#INDEX-660">2.7.3. Void Context</a></dt></dl></dd><a name="scalar-pseudofunction"><dt>scalar pseudofunction: <a href="../ch29_02.htm#INDEX-5182">29.2.137. scalar</a></dt><a name="scalar-reverse-function"><dt>scalar reverse function: <a href="../ch15_02.htm#INDEX-2863">15.2. Effects of Character Semantics</a></dt><a name="scalar-values"><dt>scalar values: <a href="../ch02_06.htm#INDEX-521">2.6. Scalar Values</a></dt><dd><dl> <dt><a href="../ch02_06.htm#INDEX-522">2.6. Scalar Values</a></dt> <a name="here-documents"> <dt>here documents: <a href="../ch02_06.htm#INDEX-618">2.6.6. "Here" Documents</a></dt> <a name="interpolating-array-values"> <dt>interpolating array values: <a href="../ch02_06.htm#INDEX-608">2.6.5. Interpolating Array Values</a></dt> <a name="numeric-literals"> <dt>numeric literals: <a href="../ch02_06.htm#INDEX-539">2.6.1. Numeric Literals</a></dt> <a name="operators-fo"> <dt>operators fo: <a href="../ch03_01.htm#INDEX-790">3. Unary and Binary Operators</a></dt> <a name="string-literals"> <dt>string literals: <a href="../ch02_06.htm#INDEX-553">2.6.2. String Literals</a></dt> <a name="v-string-literals"> <dt>v-string literals: <a href="../ch02_06.htm#INDEX-624">2.6.7. V-String Literals</a></dt></dl></dd><a name="scalar-variables"><dt>scalar variables</dt><dd><dl> <a name="in-angle-brackets"> <dt>in angle brackets: <a href="../ch02_11.htm#INDEX-754">2.11.2. Line Input (Angle) Operator</a></dt> <a name="in-double-quote-context"> <dt>in double-quote context: <a href="../ch05_02.htm#INDEX-1405">5.2.3. The s/// Operator (Substitution)</a></dt></dl></dd><a name="scalars"><dt>scalars: <a href="../ch01_02.htm#INDEX-31">1.2.1. Variable Syntax</a></dt><dd><dl> <dt><a href="../ch01_02.htm#INDEX-47">1.2.1.1. Singularities</a></dt> <dt><a href="../ch02_03.htm#INDEX-430">2.3. Built-in Data Types</a></dt> <dt><a href="../ch02_04.htm#INDEX-450">2.4. Variables</a></dt> <a name="characters-length-of"> <dt>characters, length of: <a href="../ch29_02.htm#INDEX-4970">29.2.84. length</a></dt> <a name="complex-data-structures-representing-as"> <dt>complex data structures, representing as: <a href="../ch01_02.htm#INDEX-116">1.2.1.3. Complexities</a></dt> <a name="constants"> <dt>constants: <a href="../ch10_01.htm#INDEX-2236">10.1. Symbol Tables</a></dt><dd><dl> <dt><a href="../ch10_01.htm#INDEX-2237">10.1. Symbol Tables</a></dt> <dt>(see also <a href="idx_c.htm#constants">constants</a>)</dt> </dl></dd> <a name="functions-for-manipulating"> <dt>functions for manipulating: <a href="../ch29_01.htm#INDEX-">29.1. Perl Functions by Category</a></dt> <a name="hard-references-as"> <dt>hard references as: <a href="../ch08_01.htm#INDEX-1958">8.1. What Is a Reference?</a></dt> <a name="list-of"> <dt>list of (see <a href="idx_a.htm#arrays">arrays</a>)</dt> <a name="lists-converting-to"> <dt>lists, converting to: <a href="../ch01_02.htm#INDEX-110">1.2.1.3. Complexities</a></dt> <a name="parameter-and-return-lists-subroutines"> <dt>parameter and return lists, subroutines: <a href="../ch06_02.htm#INDEX-1807">6.2. Semantics</a></dt> <a name="pattern-matching-operators-applying-to"> <dt>pattern-matching operators, applying to: <a href="../ch05_02.htm#INDEX-1323">5.2. Pattern-Matching Operators</a></dt> <a name="Perl-converting-to-C-types"> <dt>Perl, converting to C types: <a href="../ch21_04.htm#INDEX-3774">21.4.4. Evaluating a Perl Statement from C</a></dt> <a name="references"> <dt>references: <a href="../ch01_02.htm#INDEX-60">1.2.1.1. Singularities</a></dt> <a name="SV-scalar-value-in-C"> <dt>SV (scalar value) in C: <a href="../ch21_02.htm#INDEX-3691">21.2. Internal Data Types</a></dt> <a name="truth-evaluating-in"> <dt>truth, evaluating in: <a href="../ch01_06.htm#INDEX-290">1.6.1. What Is Truth?</a></dt> <a name="tying"> <dt>tying: <a href="../ch14_01.htm#INDEX-2680">14.1. Tying Scalars</a></dt><dd><dl> <a name="base-class-definitions-providing"> <dt>base class definitions, providing: <a href="../ch32_01.htm#INDEX-5664">32.1.14. Convenient Classes</a></dt> <a name="magical-counter-variables"> <dt>magical counter variables: <a href="../ch14_01.htm#INDEX-2692">14.1.2. Magical Counter Variables</a></dt> <a name="methods-for"> <dt>methods for: <a href="../ch14_01.htm#INDEX-2684">14.1.1. Scalar-Tying Methods</a></dt> <a name="preventing-unlocalized-use-of-$_-variables"> <dt>preventing unlocalized use of $_ variables: <a href="../ch14_01.htm#INDEX-2696">14.1.3. Magically Banishing $_</a></dt> </dl></dd> <a name="unordered-set-of"> <dt>unordered set of (see <a href="idx_h.htm#hashes">hashes</a>)</dt></dl></dd><a name="scheduling-and-preemption-policies-threads"><dt>scheduling and preemption policies, threads: <a href="../ch17_02.htm#INDEX-3135">17.2. The Thread Model</a></dt><a name="scope"><dt>scopes: <a href="../ch02_05.htm#INDEX-467">2.5. Names</a></dt><dd><dl> <a name="scopes"><dt><a href="../ch04_02.htm#INDEX-1055">4.2. Compound Statements</a></dt> <a name="-dynamic"> <dt> dynamic: <a href="../ch04_08.htm#INDEX-1231">4.8.4. Dynamically Scoped Variables: local</a></dt> <a name="block"> <dt>block: <a href="../ch04_08.htm#INDEX-1221">4.8.2. Lexically Scoped Variables: my</a></dt> <a name="blocks"> <dt>blocks: <a href="../ch04_02.htm#INDEX-1057">4.2. Compound Statements</a></dt> <a name="dynamic"> <a name="file"> <dt>file: <a href="../ch04_08.htm#INDEX-1220">4.8.2. Lexically Scoped Variables: my</a></dt> <a name="lexical-scope"> <dt>lexical scope: <a href="../ch04_08.htm#INDEX-1217">4.8.2. Lexically Scoped Variables: my</a></dt><a name="-loop-variable-in-foreach"> <dt> loop variable in foreach: <a href="../ch04_04.htm#INDEX-1107">4.4.3. foreach Loops</a></dt> <a name="-variables-in-if-statements">⌨️ 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 + -