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Index: S

s operator

example of

1.6.17. The Final Programs
12.2. Globbing

making basename of file and : A.12. Chapter 13, File and Directory Manipulation

substitute operator : 7.5. Substitutions

-s operator : 10.6. The -x File Tests

s option, tr( ) : 15.5. Transliteration

\s, in regular expressions : 7.3.1. Single-Character Patterns

scalar assignment, used as a value : 2.6. Scalar Operators and Functions

scalar context

3.4.1. Assignment
3.5. Scalar and List Context
readdir( ) : 12.5. Reading a Directory Handle

scalar data : 2.1. What Is Scalar Data?

scalar values, assigned to array variables : 3.4.1. Assignment

scalar variables

1.6.2. Asking Questions and Remembering the Result
2.5. Scalar Variables
operators for : 2.6. Scalar Operators and Functions

scientific notation, in floating-point numbers : 2.2.2. Float Literals

Scooby Doo, pronouncing "Windex" : 15.1. Finding a Substring

secret words, guessing : 1.6.4. Guessing the Secret Word

security : D.10.1. Security Matters

seek( ) : 17.4. Fixed-Length Random-Access Databases

select( ) : 11.6.1. Using select to Change the Filehandle

return value of : 11.6.1. Using select to Change the Filehandle

Semaphore module : B.4. Win32 Extensions

semicolon (;), as statement terminator : 1.6.1. The "Hello, world" Program

sequence, in regular expressions : 7.3.2.1. Sequence

Service module : B.4. Win32 Extensions

SetCwd module : B.4. Win32 Extensions

SetFileAttributes method : 13.4. Modifying Permissions

setting Registry values : 16.6. Setting Registry Values

SetValue( ) : 16.6. Setting Registry Values

SetValueEx( ) : 16.6. Setting Registry Values

shebang line : 1.5. Basic Concepts

shell, avoiding for new processes : 14.1. Using system and exec

shift( ) : 3.4.4. The shift and unshift Functions

ShortCut module : B.4. Win32 Extensions

single-quoted strings : 2.3.1. Single-Quoted Strings

skiing : 1.6. A Stroll Through Perl

slash : 10.3. Using Pathnames and Filenames

slices

of array : 3.4.2. Array Element Access
on literal lists : 3.4.2. Array Element Access
variable interpolation in strings : 3.7. Variable Interpolation of Arrays

Socket module : C. Networking Clients

sockets : C. Networking Clients

sort( )

1.6.16. Maintaining a Last-Good-Guess Database

3.4.6. The sort Function

controlling sort order of : 15.4. Advanced Sorting

example of

A.11. Chapter 12, Directory Access
A.14. Chapter 15, Other Data Transformation

example of : A.11. Chapter 12, Directory Access

sort comparison routines : 15.4. Advanced Sorting

using array lookups : 15.4. Advanced Sorting

sorting

advanced : 15.4. Advanced Sorting
example of numeric : 15.4. Advanced Sorting

Sound module : B.4. Win32 Extensions

space

between array values when interpolated : 3.7. Variable Interpolation of Arrays
in regular expressions : 7.3.1. Single-Character Patterns

spaceship (<=>) operator : 15.4. Advanced Sorting

example of : A.16. Chapter 17, Database Manipulation

Spawn module : B.4. Win32 Extensions

split( ) : 7.6.1. The split Function

example of : 11.3. Invoking a Format

spotted owls : 13.1. Removing a File

sprintf( ) : 15.3. Formatting Data with sprintf( )

compared with pack( ) : 16.2. Packing and Unpacking Binary Data
example of : 11.4.2. Numeric Fields

Sprite : 2.3.2. Double-Quoted Strings

square brackets ([ ]), in regular expressions : 7.3.1. Single-Character Patterns

standard distribution, Perl : 1.3.2. Standard Perl Distribution

standard error of command in backquotes : 14.2. Using Backquotes

standard input

example of using : 2.7. <STDIN> as a Scalar Value
of command in backquotes : 14.2. Using Backquotes
reading from : 6.1. Input from STDIN

Standard Modules : B.2. Standard Modules

standard output

example of using : 2.8. Output with print

stat( ) : 10.7. The stat Function

statement block

(see also blocks)
1.6.3. Adding Choices
4.1. Statement Blocks

STDERR

1.6.10. Moving the Secret Word List into a Separate File
10.1. What Is a Filehandle?

STDIN

1.6.2. Asking Questions and Remembering the Result

1.6.10. Moving the Secret Word List into a Separate File

6.1. Input from STDIN

10.1. What Is a Filehandle?

in array context : 3.6. <STDIN> as an Array

example of : A.5. Chapter 6, Basic I/O

example of

1.6.17. The Final Programs
6.1. Input from STDIN
9.1. The last Statement

as scalar value : 2.7. <STDIN> as a Scalar Value

as target of a match : 7.4.1. Selecting a Different Target (the =~ Operator)

undef return value and : 2.9. The Undefined Value

STDOUT

1.6.10. Moving the Secret Word List into a Separate File
10.1. What Is a Filehandle?

string concatenation : 2.4.2. Operators for Strings

string operators : 2.4.2. Operators for Strings

strings

2.1. What Is Scalar Data?
2.3. Strings
automatic conversion to numbers : 2.4.4. Conversion Between Numbers and Strings
counting characters in : 15.5. Transliteration
deleting characters from : 15.5. Transliteration
length of : 2.3. Strings
literal representation of : 2.3. Strings
pathnames in : 2.3.2. Double-Quoted Strings
removing last character : 2.6.3. The chop( ) and chomp( ) Functions

sub keyword

1.6.9. Making It a Bit More Modular

8.1. Defining a User Function

example of

A.7. Chapter 8, Functions
1.6.17. The Final Programs

subkeys : (see keys, registry)

subroutine definitions

example of : A.7. Chapter 8, Functions
location of in file : 1.6.9. Making It a Bit More Modular
location of in text : 8.1. Defining a User Function
re-defining : 8.1. Defining a User Function

subroutines

1.6.9. Making It a Bit More Modular
8.1. Defining a User Function
arguments : 8.4. Arguments
invoking : 8.2. Invoking a User Function
lack of locals : 8.1. Defining a User Function
nested invocation of : 8.2. Invoking a User Function
return values of : 8.3. Return Values
scope of variables : 8.1. Defining a User Function

subscript reference, introduced : 1.6.5. More than One Secret Word

subscripts

array expressions : 3.4.2. Array Element Access
with array elements : 3.4.2. Array Element Access

substitute operator

1.6.8. Making It Fair for the Rest
7.2. Simple Uses of Regular Expressions
7.5. Substitutions

substr( ) : 15.2. Extracting and Replacing a Substring

example of : A.14. Chapter 15, Other Data Transformation
variable as first argument : 15.2. Extracting and Replacing a Substring

substrings, finding : 15.1. Finding a Substring

subtraction, operator for : 2.4.1. Operators for Numbers

subtrees, Registry : 16.4.1. The Registry Structure

symlink( ) : 13. File and Directory Manipulation

system( ) : 14.1. Using system and exec

list of arguments to : 14.1. Using system and exec
PATH : 14.1. Using system and exec

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