Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: S

s/// substitution operator: 9.6. Substitutions with s///

vs. m// operator: 9.6. Substitutions with s///

scalar context: 3.8. Scalar and List Context

forcing: 3.8.3. Forcing Scalar Context

scalar variables

autoincrements/autodecrements for: 10.6. Autoincrement and Autodecrement

stat function and: 11.6.1. The stat and lstat Functions

scalars: 2.1. What Is Scalar Data?

values of, assigning to variables: 2.5.2. Scalar Assignment

scope of variables: 4.9. Notes on Lexical (my) Variables

naked block control structure and: 10.4. The Naked Block Control Structure

scoped variables (see lexical variables)

security: B.14. Security

CGI programs and: B.16. The Common Gateway Interface (CGI)

seek function: 16.3. Fixed-length Random-access Databases

select operator: 11.4.1. Changing the Default Output Filehandle

semicolon (;)

ending expressions: 1.4.2. What's Inside That Program?

in for/foreach control structures: 10.7.1. The Secret Connection Between foreach and for

return value expressions and: 4.6. Private Variables in Subroutines

shell, avoiding: 14.1.1. Avoiding the Shell

shift operator: 3.4.2. The shift and unshift Operators

shortcuts: 1.2.2. Is Perl Easy or Hard?

character class: 8.1.1. Character Class Shortcuts

negating: 8.1.2. Negating the Shortcuts

SIGINT: 14.7. Sending and Receiving Signals

signals, sending/receiving: 14.7. Sending and Receiving Signals

single-quoted string literals: 2.3.1. Single-Quoted String Literals

single quotes (' ') enclosing strings: 2.3.1. Single-Quoted String Literals

slash with dot (./): 1.4.1. A Simple Program

slices: 17.6. Slices

SMTP servers, Net::SMTP module for: B.5.8. The Net::SMTP Module

sockets (TCP/IP): B.13.2. Sockets

soft links: 13.3. Links and Files

13.3. Links and Files

sort subroutines (sort-definition subroutines): 15.4. Advanced Sorting

sorting

advanced: 15.4. Advanced Sorting

sort operator for: 3.7.2. The sort Operator

s2p conversion program: B.25. Converting Other Languages to Perl

spaces: 8.1.1. Character Class Shortcuts

\\s shortcut for: 8.1.1. Character Class Shortcuts

spaceship operator: 15.4. Advanced Sorting

spaceship operator (): 15.4. Advanced Sorting

splice operator: B.10.2. The splice Operator

split operator: 9.7. The split Operator

17.6. Slices

vs. join function: 9.8. The join Function

sports scores, sorting: 15.4.1. Sorting a Hash by Value

sprintf function: 15.3. Formatting Data with sprintf

sqrt function: 10.4. The Naked Block Control Structure

square brackets ([ ])

in character classes: 8.1. Character Classes

in pattern test program results: 7.3. A Pattern Test Program

square root: B.9.1. Advanced Math Functions

stacks: 4.7. The local Operator

standard error stream: 11.1. What Is a Filehandle?

standard input: 2.8. Getting User Input

6. I/O Basics

standard input stream: 11.1. What Is a Filehandle?

standard output: 6.4. Output to Standard Output

6.4. Output to Standard Output

standard output stream: 11.1. What Is a Filehandle?

star (*) as quantifier: 7.2.2. Simple Quantifiers

Star Wars, spaceship operator and: 15.4. Advanced Sorting

stat buffer: 11.6.5. Using the Special Underscore Filehandle

stat function: 11.6.1. The stat and lstat Functions

underscore filehandle and: 11.6.5. Using the Special Underscore Filehandle

stat(2) manpage: 11.6.1. The stat and lstat Functions

STDERR filehandle: 11.1. What Is a Filehandle?

11.5. Reopening a Standard Filehandle

STDIN filehandle: 11.1. What Is a Filehandle?

STDOUT filehandle: 11.1. What Is a Filehandle?

11.4.1. Changing the Default Output Filehandle

strict pragma: B.6.4. The strict Pragma

string accumulator: 2.11. The undef Value

string comparison operators: 2.6.3. Comparison Operators

string concatenate operator (.): 2.5.3. Binary Assignment Operators

string escapes (see backslash escapes)

string literals: 2.3. Strings

double-quoted (see double-quoted string literals)

string repetition operator (x): 2.3.3. String Operators

6.5.1. Arrays and printf

strings: 2.3. Strings

2.3. Strings

15. Strings and Sorting

converted automatically to numbers: 2.3.4. Automatic Conversion Between Numbers and Strings

finding substrings within: 15.1. Finding a Substring with index

operators for: 2.3.3. String Operators

comparison operators for: 2.6.3. Comparison Operators

sub keyword: 4.2. Defining a Subroutine

subroutines: 4.1. System and User Functions

anonymous: B.20.3. Anonymous Subroutines and Closures

calling: 4.3. Invoking a Subroutine

defining: 4.2. Defining a Subroutine

invoking: 4.3. Invoking a Subroutine

lexical variables in: 4.6. Private Variables in Subroutines

subscripts: 3.1. Accessing Elements of an Array

substr operator: 15.2. Manipulating a Substring with substr

substrings: 15.1. Finding a Substring with index

subtraction operator (-): 2.2.5. Numeric Operators

support for Perl: 1.3.2. How Can I Get Support for Perl?

symbolic links: 11.6. File Tests

11.6.1. The stat and lstat Functions

13.3. Links and Files

13.3. Links and Files

symlink function: 13.3. Links and Files

syntax extensions: B.19. Syntax Extensions

Sys::Hostname module: B.5.10. The Sys::Hostname Module

system databases: B.7.1. Direct System Database Access

system function: 14.1. The system Function

using vs. exec function: 14.2. The exec Function

system functions: 4.1. System and User Functions

system time: 11.6.1. The stat and lstat Functions

System V IPC: B.13.1. System V IPC

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