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# Index: S

s command (ed) : 2.1. Awk, by Sed and Grep, out of Ed
s command (sed) : 5.3. Substitution
sample programs : Sample Programs
saving output
  2.3.2.1. Saving output
  4.3. Testing and Saving Output
  10.5. Directing Output to Files and Pipes
scope control (tawk) : 11.3.2.1. Tawk language extensions
scripts
  2.1. Awk, by Sed and Grep, out of Ed
  2.2. Command-Line Syntax
  2.2.1. Scripting
  B.1.1. Shell Wrapper for Invoking awk
  debugging : 10.7. Debugging
  examples of : 13. A Miscellany of Scripts
  as files : 2.3.2. Script Files
  format of : B.2.2. Format of a Script
  modularizing : 10.7.3. Finding Out Where the Problem Is
  names for : 2.2. Command-Line Syntax
  passing parameters to : 7.10. Passing Parameters Into a Script
  phrase (example script) : 6.5. To Join a Phrase
  stopping, sed : (see q command (sed))
search path for awk files : 11.2.3.2. An awk program search path
search-and-replace : 1.2. A Stream Editor
  matching extent : 3.2.12.1. The extent of the match
sed
  1.2. A Stream Editor
  2.3. Using sed
  with awk : 2.5. Using sed and awk Together
  command-line syntax
    2.2. Command-Line Syntax
    A.1. Command-Line Syntax
  commands
    5. Basic sed Commands
    5.1. About the Syntax of sed Commands
    6. Advanced sed Commands
    (see also under specific command)
    syntax of : 5.1. About the Syntax of sed Commands
  commands for : A.3. Command Summary for sed
  documentation for : Other Sources of Information About sed and awk
  ed versus : 2.1. Awk, by Sed and Grep, out of Ed
  error messages : 2.3.1.1. Command garbled
  obtaining : Availability of sed and awk
  options
    2.3.1. Specifying Simple Instructions
    2.3.2.4. Summary of options
    (see also under specific option)
  programming tips for : 4.5. Getting to the PromiSed Land
  quick reference : A.1. Command-Line Syntax
  regular expression metacharacters : A.2.2. Regular Expression Metacharacters for sed
semicolon (;)
  2.3.1. Specifying Simple Instructions
  2.4.1. Running awk
  B.2.2.1. Line termination
shell scripts : (see scripts)
shells
  1.4. Four Hurdles to Mastering sed and awk
  2.3.1. Specifying Simple Instructions
  (see also under specific shell name)
sin() : 9.1.1. Trigonometric Functions
single quotation marks (')
  2.2. Command-Line Syntax
  2.3.1. Specifying Simple Instructions
slash (/)
  /= (assignment) operator : 7.6. Expressions
  // as delimiter
    2.1. Awk, by Sed and Grep, out of Ed
    5.3. Substitution
  division operator : 7.6. Expressions
  in ed commands : 2.1. Awk, by Sed and Grep, out of Ed
sort function (example)
  9.3.1. Writing a Sort Function
  9.3.3. Another Sorted Example
sort program : 2.5. Using sed and awk Together
sorting array elements (tawk) : 11.3.2.1. Tawk language extensions
source code, obtaining : (see obtaining)
--source option (gawk) : 11.2.3.1. Command line options
space characters
  2.3.1. Specifying Simple Instructions
  5.1. About the Syntax of sed Commands
  as awk delimiters
    2.4.1. Running awk
    7.5.2. Field Splitting: The Full Story
  as string concatenator : 7.6. Expressions
span, character
  3.2. A Line-Up of Characters
  3.2.8. A Span of Characters
special characters
  2.3.1. Specifying Simple Instructions
  3. Understanding Regular Expression Syntax
  (see also escape sequences, awk; metacharacters)
special filenames
  11.2.1.4. Special filenames
  11.2.3.7. Additional special files
spell checker program (example) : 12.1. An Interactive Spelling Checker
spellcheck.awk program : C.1. Full Listing of spellcheck.awk
split()
  8.4.4. Using split() to Create Arrays
  9.2. String Functions
  11.2.1.2. Obtaining individual characters
sprintf() : 9.2. String Functions
sqrt() : 9.1.1. Trigonometric Functions
srand() : 9.1.3. Random Number Generation
standard input/output : 2.2. Command-Line Syntax
start
  of line : (see ^ (circumflex))
  of word : (see \<, \> escape sequences)
statements, awk : B.2.6. Statements and Functions
stopping sed scripts : (see q command (sed))
stream editor
  1.2. A Stream Editor
  2.1. Awk, by Sed and Grep, out of Ed
  4.4.4. Edits To Go
strftime() : 11.2.3.11. Time management for programmers
strings
  3.1. That's an Expression
  7.6. Expressions
  comparing : 9.2.5. The match() Function
  concatenating : 7.6. Expressions
  converting from numbers : 7.7. System Variables
  fixed : (see fixed strings)
  functions for : 9.2. String Functions
  length of : 9.2.2. String Length
  limitations on : 10.8. Limitations
  parsing into array elements
    8.4.4. Using split() to Create Arrays
    11.2.1.2. Obtaining individual characters
  substitution functions (awk)
    9.2.3. Substitution Functions
    11.2.3.10. A general substitution function
  substrings : 9.2.1. Substrings
stripping non-printable characters : 5.6.1. Stripping Out Non-Printable Characters from nroff Files
sub()
  9.2. String Functions
  9.2.3. Substitution Functions
  11.2.3.10. A general substitution function
SUBSEP variable : 8.5.1. Multidimensional Arrays
substitute command : (see s command)
substituting text (sed)
  2.1. Awk, by Sed and Grep, out of Ed
  5.3. Substitution
  (see also s command (sed))
  relacement metacharacters : 5.3.1. Replacement Metacharacters
substitution functions (awk)
  9.2.3. Substitution Functions
  11.2.3.10. A general substitution function
substr()
  9.2. String Functions
  9.2.1. Substrings
  11.2.1.2. Obtaining individual characters
substrings : (see strings)
subtraction (-) operator : 7.6. Expressions
suppressing output
  2.3.2.2. Suppressing automatic display of input lines
  5.2. Comment
syntax
  command-line
    2.2. Command-Line Syntax
    A.1. Command-Line Syntax
    B.1. Command-Line Syntax
  sed commands : 5.1. About the Syntax of sed Commands
system() : 10.3. The system() Function
system time : 11.2.3.11. Time management for programmers
system variables
  7.7. System Variables
  8.6. System Variables That Are Arrays
  B.2.5.5. System variables
  gawk : 11.2.3.8. Additional variables
systime() : 11.2.3.11. Time management for programmers

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