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Index: S

2.3.3.1. Scalar and list context
3. Functions
forcing : 3.2.131. scalar
range (..) operator in : 2.5.15. Range Operator
recognizing in debugger : 8.1.2. Using the Debugger

scalar pseudo-function : 3.2.131. scalar

scalar values : 2.3.2. Scalar Values

scalar variables in angle brackets : 2.3.7.2. Line input (angle) operator

scalars

1.2.1.1. Singularities
2.2. Built-in Data Types
anonymous : 5.4.1. Tying Scalars
byte length of : 3.2.84. length
instance variables : 5.5.3. Scalar Instance Variables
list of : (see arrays)
tied : 7.2.73. Tie::Scalar, Tie::StdScalar - Base Class Definitions for Tied Scalars
tying : 5.4.1. Tying Scalars
unordered set of : (see hashes)

scoped declarations : 2.6.8. Scoped Declarations

scripts

building with -e switch : 6.1.2. Switches
checking syntax of : 6.1.2. Switches
controlling debugger from : 8.1.2. Using the Debugger
debugging : (see debugging)
dumping core files : 6.1.2. Switches
embedding in messages : 6.1.2. Switches
end marker for : 2.3.2.7. Other literal tokens
examples of, obtaining : 8.5.2. Examples
executing : 3.2.167. system
insecure : 6.3.2. Handling Insecure Code
names of : (see $ variables, $0 variable)
pausing : 3.2.150. sleep
performance of : (see performance)
programming style : 8.4. Programming with Style
running time of : 2.5.10. Named Unary and File Test Operators
searching for : 6.1.2. Switches
standard test : 7.2.66. Test::Harness - Run Perl Standard Test Scripts with Statistics
terminating with exec : 3.2.33. exec
troubleshooting : 8.2. Common Goofs for Novices

SDBM_File module

7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs
7.2.52. SDBM_File - Tied Access to SDBM Files

Search::Dict module : 7.2.53. Search::Dict - Search for Key in Dictionary File

searching

grep function for : 3.2.72. grep

linear, versus hashes : 8.3.1. Time Efficiency

for lines in text file : 7.2.8.6. Examples

for scripts : 6.1.2. Switches

for substrings

3.2.75. index
3.2.128. rindex

security

3.2.158. srand
Perl in a Nutshell
bypassing shell : 6.2.2.2. Talking to yourself
handling insecure data : 6.3.1. Handling Insecure Data
insecure code : 6.3.2. Handling Insecure Code
PATH environment variable : 6.3.1.2. Cleaning up your path
Safe module : 7.2.51. Safe - Create Safe Namespaces for Evaluating Perl Code
UNIX bugs : 6.3.1.3. Security bugs

sed : 8.2.5. Sed Traps

converting to Perl : 6.4.2.1. s2p
converting to/from Perl : 8.5.1. Translation from Awk and Sed

seed, random number : 3.2.158. srand

seek function : 3.2.132. seek

seekdir function : 3.2.133. seekdir

seekfunction

(see also tell function)
3.2.169. tell

select function

3.2.38. fileno
3.2.110. print
3.2.134. select (output filehandle)
3.2.135. select (ready file descriptors)
for format variables : 2.8.1. Format Variables

SelectSaver module : 7.2.54. SelectSaver - Save and Restore Selected Filehandle

SelfLoader module

7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module
7.2.55. SelfLoader - Load Functions Only on Demand

SelfLoading module : 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module

SelfStubber module : 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module

semantics : 3.2.185. use

semaphores : 3.2.137. semget

semctl function : 3.2.136. semctl

semget function : 3.2.137. semget

semicolon : (see ; (semicolon))

semop function : 3.2.138. semop

send function : 3.2.139. send

seq function : 7.2.8.5. Using the Berkeley DB interface directly

servers, TCP : 6.2.4.1. Internet TCP clients and servers

service port number : (see port)

setgid function : 6.2.2.2. Talking to yourself

setgrent function : 3.2.44. getgrent

setgrp function : 3.2.140. setpgrp

sethostent function : 3.2.49. gethostent

setlocale() : 7.2.37. I18N::Collate - Compare 8-bit Scalar Data According to the Current Locale

setlogmask() : 7.2.63. Sys::Syslog - Perl Interface to UNIX syslog(3) Calls

setpriority function : 3.2.141. setpriority

setprotoent function : 3.2.60. getprotoent

setpwent function : 3.2.61. getpwent

sets of bits : (see vec function)

sets of strings : (see hashes)

setservent function : 3.2.66. getservent

setsockopt function : 3.2.142. setsockopt

setuid function : 6.2.2.2. Talking to yourself

setvbuf() : 7.2.33. FileHandle - Supply Object Methods for Filehandles

sh (Bourne shell) : 6.1.1. Command Processing

shared memory segment ID : 3.2.145. shmget

sharp : (see # (sharp))

shebang notation : (see # (sharp), #! notation)

Shell module : 7.2.56. Shell - Run Shell Commands Transparently Within Perl

shells : 8.2.6. Shell Traps

bypassing : 6.2.2.2. Talking to yourself

shift function : 3.2.143. shift

shift operators : 2.5.9. Shift Operators

shmctl function : 3.2.144. shmctl

shmget function : 3.2.145. shmget

shmread function : 3.2.146. shmread

shmwrite function : 3.2.147. shmwrite

short-circuit operators

(see logical, operators)
2.5.14. C-style Logical (Short Circuit) Operators

shutdown function : 3.2.148. shutdown

%SIG hash

2.9.4. Global Special Arrays
6.2.1. Signals

sigaction function : 6.2.1. Signals

SigAction objects : 7.2.49.1. Classes

SIGALRM signal : 3.2.5. alarm

SIGIO signal : 3.2.37. fcntl

signals

2.9.4. Global Special Arrays
6.2.1. Signals
7.2.57. sigtrap - Enable Stack Backtrace on Unexpected Signals

SigSet objects : 7.2.49.1. Classes

sigtrap module : 7.2.57. sigtrap - Enable Stack Backtrace on Unexpected Signals

sin function : 3.2.149. sin

sine : (see sin function)

single quotes : (see ' (single quotes))

singularities : (see scalars)

$size file statistic : 3.2.159. stat

skipcheck() : 7.2.19. ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File

slash : (see / (slash))

sleep function : 3.2.150. sleep

select function instead of : 3.2.135. select (ready file descriptors)

slices of multidimensional arrays : 4.6.4. Slices

socket function : 3.2.151. socket

Socket module : 7.2.58. Socket - Load the C socket.h Defines and Structure Manipulators

socketpair function : 3.2.152. socketpair

sockets : 6.2.4. Sockets

accepting connections from clients : 3.2.4. accept
attaching address to : 3.2.7. bind
closing : 3.2.18. close
connecting : 3.2.20. connect
functions for : 3.2.67. getsockname
getting packed sockaddr address : 3.2.54. getpeername
listen function for : 3.2.86. listen
opening : 3.2.151. socket
receiving messages on : 3.2.119. recv
sending message on : 3.2.139. send
setting options : 3.2.142. setsockopt
shutting down connection : 3.2.148. shutdown

sort function : 3.2.153. sort

sorting

hashes automatically : 7.2.8.4. In-memory databases
lists : 3.2.153. sort

soundex algorithm : 7.2.69. Text::Soundex - The Soundex Algorithm Described by Knuth

source distribution : (see distribution)

source filters : 6.4.2.4. Source filters

special characters : 2.4.1.2. The rules of regular expression matching

special variables : 2.9. Special Variables

speed : (see performance)

terminal output : 7.2.64. Term::Cap - Terminal Capabilities Interface

splain program : 7.2.10.1. The standalone program

splice function

3.2.154. splice
8.2.7. Previous Perl Traps

split function

1.7. Regular Expressions
3.2.155. split
8.2.3. Awk Traps
8.3.1. Time Efficiency

splitting modules for autoloading : 7.2.3. AutoSplit - Split a Module for Autoloading

sprintf function : 3.2.156. sprintf

sqrt function : 3.2.157. sqrt

square root function : 3.2.157. sqrt

srand function : 3.2.158. srand

stack, call : 3.2.10. caller

standard library : 7. The Standard Perl Library

star : (see asterisk)

stat function : 3.2.159. stat

Stat module : 7.2.36. Getopt::Std - Process Single-Character Options with Option Clustering

statements : 2.6. Statements and Declarations

loops : (see loops)

static methods : 5.3.1. Brief Refresher on Object-Oriented Programming

STDERR filehandle

2.9.5. Global Special Filehandles
3.2.38. fileno
8.4. Programming with Style

StdHash module : 7.2.72. Tie::Hash, Tie::StdHash - Base Class Definitions for Tied Hashes

STDIN : 1.4. Filehandles

reading single characters from : 3.2.43. getc

STDIN filehandle

2.9.5. Global Special Filehandles
3.2.38. fileno

STDOUT : 1.4. Filehandles

STDOUT filehandle

2.9.5. Global Special Filehandles
3.2.38. fileno
printing to : 3.2.110. print

stepping through code : 8.1.1. Debugger Commands

sticky bit : 8.3.1. Time Efficiency

stopping : (see terminating)

infinite loop : 2.6.4.2. For loops

STORE method

5.4.1. Tying Scalars
5.4.2. Tying Arrays
5.4.3. Tying Hashes

strict module

2.6.9. Pragmas
4.4. Symbolic References
7.2.59. strict - Restrict Unsafe Constructs

string literals : 2.3.2.2. String literals

strings

abbreviation table : 7.2.67. Text::Abbrev - Create an Abbreviation Table from a List

boundary assertions

1.7.3. Nailing Things Down
2.4.1.2. The rules of regular expression matching
2.4.1.3. The fine print

breaking : (see $ variables, $: variable)

capitalization of : (see capitalization)

comparing in awk : 6.4.2.2. a2p

comparison operators : 1.5.6. Comparison Operators

concatenating

1.5.2. String Operators
2.5.8. Additive Operators
8.2.3. Awk Traps
8.3.1. Time Efficiency

converting to list values : 3.2.182. unpack

eval function and : 8.3.1. Time Efficiency

extracting substrings : 3.2.162. substr

first character of : 2.9.3. Global Special Variables

formatting : 3.2.156. sprintf

hard references and : 4.5.1. Hard References Don't Work as Hash Keys

hexadecimal : (see hexadecimal numbers)

index function : 3.2.75. index

joining : 3.2.78. join

octal : (see octal numbers)

operators

1.5.2. String Operators
8.2.1. Universal Blunders

printing : 3.2.110. print

rindex function : 3.2.128. rindex

soundex algorithm : 7.2.69. Text::Soundex - The Soundex Algorithm Described by Knuth

splitting into substrings : 3.2.155. split

study function and : 3.2.160. study

vec function and : 3.2.188. vec

StrVal() : 7.2.48.9. Public functions

stubs : 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module

study function : 3.2.160. study

style, programming : 8.4. Programming with Style

sub declaration

3.2.161. sub
4.2.4. The Anonymous Subroutine Composer

sub keyword

2.7. Subroutines
2.7.3. Prototypes

subroutine call stack : 3.2.10. caller

subroutines

(see also functions)

(see also libraries)

2.7. Subroutines

4.2.4. The Anonymous Subroutine Composer

5.3.5. A Method Is Simply a Subroutine

7. The Standard Perl Library

aborting with exit : 3.2.35. exit

autoloading

5.1.3. Autoloading
5.3.4. A Class Is Simply a Package

declaring

2.6.7. Global Declarations
3.2.161. sub

names for : 2.3.1. Variables

performance and : 8.3.1. Time Efficiency

predeclaring : 7.2.60. subs - Predeclare Subroutine Names

return function : 3.2.125. return

returning references : 4.2.5. Object Constructors

substituting with goto : 3.2.71. goto

subs module : 7.2.60. subs - Predeclare Subroutine Names

subscript separator : (see $ variables, $; variable)

$SUBSCRIPT_SEPARATOR : (see $ variables, $; variable)

subscripting : 8.3.1. Time Efficiency

$SUBSEP : (see $ variables, $; variable)

substitution (s///) operator

1.7. Regular Expressions
2.3.3.4. Interpolative context
2.4. Pattern Matching
2.4.2. Pattern-Matching Operators
8.2.1. Universal Blunders
options for : 2.4.2. Pattern-Matching Operators

substitution, shells versus Perl : 8.2.6. Shell Traps

substr function

3.2.162. substr
8.3.1. Time Efficiency
chop function and : 3.2.14. chop

SubstrHash module : 7.2.74. Tie::SubstrHash - Fixed-table-size, Fixed-key-length Hashing

substrings : (see backreferences; strings)

subtraction : (see additive operators)

suidperl program : 8.5. Distribution and Installation

SUPER pseudoclass : 5.3.6. Method Invocation

switch statement

2.6.5. Bare Blocks and Case Structures
8.2.4. C Traps
8.3.1. Time Efficiency

switches, Perl command-line : 6.1.1. Command Processing

Symbol module : 7.2.61. Symbol - Generate Anonymous Globs; Qualify Variable Names

symbol table entries : 2.7.1. Passing Symbol Table Entries (Typeglobs)

aliasing : 2.3.6. Typeglobs and Filehandles

symbol tables : 5.1.1. Symbol Tables

symbolic links : 3.2.163. symlink

GetOptions() and : 7.2.35.1. Linkage specification
getting filenames from : 3.2.118. readlink
lstat command and : 3.2.90. lstat

symbolic references

4.1. What Is a Reference?
4.4. Symbolic References

symbols, preventing exportation of : 7.2.15.3. Managing unknown symbols

symlink function : 3.2.163. symlink

sync function : 7.2.8.5. Using the Berkeley DB interface directly

syntax, checking : 6.1.2. Switches

Sys::Hostname module : 7.2.62. Sys::Hostname - Try Every Conceivable Way to Get Hostname

Sys::Syslog module : 7.2.63. Sys::Syslog - Perl Interface to UNIX syslog(3) Calls

syscall function

3.2.5. alarm
3.2.164. syscall

syslog() : 7.2.63. Sys::Syslog - Perl Interface to UNIX syslog(3) Calls

sysopen function

3.2.102. open
3.2.165. sysopen

sysread function : 3.2.166. sysread

system calls : 3.2.164. syscall

performance and : 8.3.1. Time Efficiency
restarting : 6.2.1. Signals

system CPU time : (see time)

system function

3.2.167. system
8.3.1. Time Efficiency

System V IPC : 6.2.3. System V IPC

$SYSTEM_FD_MAX : (see $ variables, $^F variable)

syswrite function : 3.2.168. syswrite

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