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Index: S

• command (debugger) : Debugger Commands
• command (debugger) : Debugger Commands
• -S file test operator : Named Unary and File Test Operators
• -s file test operator : Named Unary and File Test Operators
• (for whitespace) : Regular Expressions
• /s modifier
• • Pattern Matching
  • The fine print
  • Pattern-Matching Operators
• operator : (see substitution (s///) operator)
• -s switch, perl
• • Switches
  • The Perl Debugger
• -S switch, perl
• • Switches
  • UNIX-domain clients and servers
• s/// (substitution) operator
• • Regular Expressions
  • Interpolative context
  • Pattern Matching
  • Pattern-Matching Operators
  • Universal Blunders
  • options for : Pattern-Matching Operators
• program
• • p
  • Translation from Awk and Sed
• Safe module
• • Safe
  • Safe - Create Safe Namespaces for Evaluating Perl Code
• saving filehandles : SelectSaver - Save and Restore Selected Filehandle
• scalar context
• • Scalar and list context
  • Functions
  • forcing : scalar
  • range (..) operator in : Range Operator
  • recognizing in debugger : Using the Debugger
• scalar pseudo-function : scalar
• scalar values : Scalar Values
• scalar variables in angle brackets : Line input (angle) operator
• scalars
• • Singularities
  • Built-in Data Types
  • anonymous : Tying Scalars
  • byte length of : length
  • instance variables : Scalar Instance Variables
  • list of : (see arrays)
  • tied : Tie::Scalar, Tie::StdScalar - Base Class Definitions for Tied Scalars
  • tying : Tying Scalars
  • unordered set of : (see hashes)
• scoped declarations : Scoped Declarations
• scripts
• • building with -e switch : Switches
  • checking syntax of : Switches
  • controlling debugger from : Using the Debugger
  • debugging : (see debugging)
  • dumping core files : Switches
  • embedding in messages : Switches
  • end marker for : Other literal tokens
  • examples of, obtaining : Examples
  • executing : system
  • insecure : Handling Insecure Code
  • names of : (see $ variables, $0 variable)
  • pausing : sleep
  • performance of : (see performance)
  • developing style : Developing with Style
  • running time of : Named Unary and File Test Operators
  • searching for : Switches
  • standard test : Test::Harness - Run Perl Standard Test Scripts with Statistics
  • terminating with exec : exec
  • troubleshooting : Common Goofs for Novices
• SDBM_File module
• • AnyDBM_File - Provide Framework for Multiple DBMs
  • SDBM_File - Tied Access to SDBM Files
• Search::Dict module : Search::Dict - Search for Key in Dictionary File
• searching
• • grep function for : grep
  • linear, versus hashes : Time Efficiency
  • for lines in text file : Examples
  • for scripts : Switches
  • for substrings
  • • index
    • rindex
• security
• • srand
  • Perl tutorial
  • bypassing shell : Talking to yourself
  • handling insecure data : Handling Insecure Data
  • insecure code : Handling Insecure Code
  • PATH environment variable : Cleaning up your path
  • Safe module : Safe - Create Safe Namespaces for Evaluating Perl Code
  • UNIX bugs : Security bugs
• sed : Sed Traps
• • converting to Perl : p
  • converting to/from Perl : Translation from Awk and Sed
• seed, random number : srand
• seek function : seek
• seekdir function : seekdir
• seekfunction
• • (see also tell function)
  • tell
• select function
• • fileno
  • print
  • select (output filehandle)
  • select (ready file descriptors)
  • for format variables : Format Variables
• SelectSaver module : SelectSaver - Save and Restore Selected Filehandle
• SelfLoader module
• • Devel::SelfStubber - Generate Stubs for a SelfLoading Module
  • SelfLoader - Load Functions Only on Demand
• SelfLoading module : Devel::SelfStubber - Generate Stubs for a SelfLoading Module
• SelfStubber module : Devel::SelfStubber - Generate Stubs for a SelfLoading Module
• semantics : use
• semaphores : semget
• semctl function : semctl
• semget function : semget
• semicolon : (see (semicolon))
• semop function : semop
• send function : send
• seq function : Using the Berkeley DB interface directly
• servers, TCP : Internet TCP clients and servers
• service port number : (see port)
• setgid function : Talking to yourself
• setgrent function : getgrent
• setgrp function : setpgrp
• sethostent function : gethostent
• setlocale() : Collate - Compare 8-bit Scalar Data According to the Current Locale
• setlogmask() : Sys::Syslog - Perl Interface to UNIX syslog(3) Calls
• setpriority function : setpriority
• setprotoent function : getprotoent
• setpwent function : getpwent
• sets of bits : (see vec function)
• sets of strings : (see hashes)
• setservent function : getservent
• setsockopt function : setsockopt
• setuid function : Talking to yourself
• setvbuf() : FileHandle - Supply Object Methods for Filehandles
• sh (Bourne shell) : Command Processing
• shared memory segment ID : shmget
• sharp : (see # (sharp))
• shebang notation : (see # (sharp), #! notation)
• Shell module : Shell - Run Shell Commands Transparently Within Perl
• shells : Shell Traps
• • bypassing : Talking to yourself
• shift function : shift
• shift operators : Shift Operators
• shmctl function : shmctl
• shmget function : shmget
• shmread function : shmread
• shmwrite function : shmwrite
• short-circuit operators
• • (see logical, operators)
  • C-style Logical (Short Circuit) Operators
• shutdown function : shutdown
• %SIG hash
• • Global Special Arrays
  • Signals
• sigaction function : Signals
• SigAction objects : Classes
• SIGALRM signal : alarm
• SIGIO signal : fcntl
• signals
• • Global Special Arrays
  • Signals
  • sigtrap - Enable Stack Backtrace on Unexpected Signals
• SigSet objects : Classes
• sigtrap module : sigtrap - Enable Stack Backtrace on Unexpected Signals
• sin function : sin
• sine : (see sin function)
• single quotes : (see ' (single quotes))
• singularities : (see scalars)
• $size file statistic : stat
• skipcheck() : ExtUtils::Manifest - Utilities to Write and Check a MANIFEST File
• slash : (see / (slash))
• sleep function : sleep
• • select function instead of : select (ready file descriptors)
• slices of multidimensional arrays : Slices
• socket function : socket
• Socket module : Socket - Load the C socket.h Defines and Structure Manipulators
• socketpair function : socketpair
• sockets : Sockets
• • accepting connections from clients : accept
  • attaching address to : bind
  • closing : close
  • connecting : connect
  • functions for : getsockname
  • getting packed sockaddr address : getpeername
  • listen function for : listen
  • opening : socket
  • receiving messages on : recv
  • sending message on : send
  • setting options : setsockopt
  • shutting down connection : shutdown
• sort function : sort
• sorting
• • hashes automatically : In-memory databases
  • lists : sort
• soundex algorithm : Text::Soundex - The Soundex Algorithm Described by Knuth
• source distribution : (see distribution)
• source filters : Source filters
• special characters : The rules of regular expression matching
• special variables : Special Variables
• speed : (see performance)
• • terminal output : Term::Cap - Terminal Capabilities Interface
• splain program : The standalone program
• splice function
• • splice
  • Previous Perl Traps
• split function
• • Regular Expressions
  • split
  • Awk Traps
  • Time Efficiency
• splitting modules for autoloading : AutoSplit - Split a Module for Autoloading
• sprintf function : sprintf
• sqrt function : sqrt
• square root function : sqrt
• srand function : srand
• stack, call : caller
• standard library : The Standard Perl Library
• star : (see asterisk)
• stat function : stat
• Stat module : Getopt::Std - Process Single-Character Options with Option Clustering
• statements : Statements and Declarations
• • loops : (see loops)
• static methods : Brief Refresher on Object-Oriented Developing
• STDERR filehandle
• • Global Special Filehandles
  • fileno
  • Developing with Style
• StdHash module : Tie::Hash, Tie::StdHash - Base Class Definitions for Tied Hashes
• STDIN : Filehandles
• • reading single characters from : getc
• STDIN filehandle
• • Global Special Filehandles
  • fileno
• STDOUT : Filehandles
• STDOUT filehandle
• • Global Special Filehandles
  • fileno
  • printing to : print
• stepping through code : Debugger Commands
• sticky bit : Time Efficiency
• stopping : (see terminating)
• • infinite loop : For loops
• STORE method
• • Tying Scalars
  • Tying Arrays
  • Tying Hashes
• strict module
• • Pragmas
  • Symbolic References
  • strict - Restrict Unsafe Constructs
• string literals : String literals
• strings
• • abbreviation table : Text::Abbrev - Create an Abbreviation Table from a List
  • boundary assertions
  • • Nailing Things Down
    • The rules of regular expression matching
    • The fine print
  • breaking : (see $ variables, $: variable)
  • capitalization of : (see capitalization)
  • comparing in awk : p
  • comparison operators : Comparison Operators
  • concatenating
  • • String Operators
    • Additive Operators
    • Awk Traps
    • Time Efficiency
  • converting to list values : unpack
  • eval function and : Time Efficiency
  • extracting substrings : substr
  • first character of : Global Special Variables
  • formatting : sprintf
  • hard references and : Hard References Don't Work as Hash Keys
  • hexadecimal : (see hexadecimal numbers)
  • index function : index
  • joining : join
  • octal : (see octal numbers)
  • operators
  • • String Operators
    • Universal Blunders
  • printing : print
  • rindex function : rindex
  • soundex algorithm : Text::Soundex - The Soundex Algorithm Described by Knuth
  • splitting into substrings : split
  • study function and : study
  • vec function and : vec
• StrVal() : Public functions
• stubs : Devel::SelfStubber - Generate Stubs for a SelfLoading Module
• study function : study
• style, developing : Developing with Style
• sub declaration
• • sub
  • The Anonymous Subroutine Composer
• sub keyword
• • Subroutines
  • Prototypes
• subroutine call stack : caller
• subroutines
• • (see also functions)
  • (see also libraries)
  • Subroutines
  • The Anonymous Subroutine Composer
  • Method Is Simply a Subroutine
  • The Standard Perl Library
  • aborting with exit : exit
  • autoloading
  • • Autoloading
    • Class Is Simply a Package
  • declaring
  • • Global Declarations
    • sub
  • names for : Variables
  • performance and : Time Efficiency
  • predeclaring : subs - Predeclare Subroutine Names
  • return function : return
  • returning references : Object Constructors
  • substituting with goto : goto
• subs module : subs - Predeclare Subroutine Names
• subscript separator : (see $ variables, $; variable)
• $SUBSCRIPT_SEPARATOR : (see $ variables, $; variable)
• subscripting : Time Efficiency
• $SUBSEP : (see $ variables, $; variable)
• substitution (s///) operator
• • Regular Expressions
  • Interpolative context
  • Pattern Matching
  • Pattern-Matching Operators
  • Universal Blunders
  • options for : Pattern-Matching Operators
• substitution, shells versus Perl : Shell Traps
• substr function
• • substr
  • Time Efficiency
  • chop function and : chop
• SubstrHash module : Tie::SubstrHash - Fixed-table-size, Fixed-key-length Hashing
• substrings : (see backreferences; strings)
• subtraction : (see additive operators)
• suidperl program : Distribution and Installation
• SUPER pseudoclass : Method Invocation
• switch statement
• • Bare Blocks and Case Structures
  • Traps
  • Time Efficiency
• switches, Perl command-line : Command Processing
• Symbol module : Symbol - Generate Anonymous Globs; Qualify Variable Names
• symbol table entries : Passing Symbol Table Entries (Typeglobs)
• • aliasing : Typeglobs and Filehandles
• symbol tables : Symbol Tables
• symbolic links : symlink
• • GetOptions() and : Linkage specification
  • getting filenames from : readlink
  • lstat command and : lstat
• symbolic references
• • What Is a Reference?
  • Symbolic References
• symbols, preventing exportation of : Managing unknown symbols
• symlink function : symlink
• sync function : Using the Berkeley DB interface directly
• syntax, checking : Switches
• Sys::Hostname module : Sys::Hostname - Try Every Conceivable Way to Get Hostname
• Sys::Syslog module : Sys::Syslog - Perl Interface to UNIX syslog(3) Calls
• syscall function
• • alarm
  • syscall
• syslog() : Sys::Syslog - Perl Interface to UNIX syslog(3) Calls
• sysopen function
• • open
  • sysopen
• sysread function : sysread
• system calls : syscall
• • performance and : Time Efficiency
  • restarting : Signals
• system CPU time : (see time)
• system function
• • system
  • Time Efficiency
• System V IPC : System V IPC
• $SYSTEM_FD_MAX : (see $ variables, $^F variable)
• syswrite function : syswrite

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