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# Index: C

c command (sed) : 5.5. Append, Insert, and Change
capitalization, converting
  5.7. Transform
  6.3.1. A Capital Transformation
  9.2. String Functions
  9.2.4. Converting Case
case sensitivity
  3.1. That's an Expression
  9.2.4. Converting Case
  (see also capitalization, converting)
  character classes for : 3.2.4. Character Classes
  IGNORECASE variable (gawk) : 11.2.3.8. Additional variables
  variable names : 7.6. Expressions
change command : (see c command (sed))
character classes : 3.2.4. Character Classes
characters
  hiding special : 12.3.1. How to Hide a Special Character
  matching at word start/end : 3.2.11. What's the Word? Part II
  measured span of
    3.2. A Line-Up of Characters
    3.2.8. A Span of Characters
  metacharacters : (see metacharacters)
  newline : (see newline characters)
  range of : (see character classes)
  space : (see space characters)
  stripping non-printable nroff : 5.6.1. Stripping Out Non-Printable Characters from nroff Files
circumflex (^)
  ^= (assignment) operator : 7.6. Expressions
  character classes and
    3.2. A Line-Up of Characters
    3.2.4.2. Excluding a class of characters
  exponentiation operator : 7.6. Expressions
  as metacharacter
    3.2. A Line-Up of Characters
    3.2.7. Positional Metacharacters
  in multiline pattern space : 6.1.1. Append Next Line
close()
  10.2. The close() Function
  10.5.2. Working with Multiple Files
closing files/pipes
  10.2. The close() Function
  10.5.2. Working with Multiple Files
closure : 3.2.5. Repeated Occurrences of a Character
collating symbols : 3.2.4.3. POSIX character class additions
colon (:) for labels : 6.4. Advanced Flow Control Commands
columns, output as : 10.6. Generating Columnar Reports
combine script (example) : 13.3. combine - Extract Multipart uuencoded Binaries
"command garbled" message
  2.3.1.1. Command garbled
  5.1. About the Syntax of sed Commands
command-line options, gawk : 11.2.3.1. Command line options
command-line parameters
  array of : 8.6.1. An Array of Command-Line Parameters
  passing into script : 7.10. Passing Parameters Into a Script
command-line syntax
  2.2. Command-Line Syntax
  A.1. Command-Line Syntax
  B.1. Command-Line Syntax
commands
  2.4.1. Running awk
  (see also under specific command)
  awk : B.3. Command Summary for awk
  executing expressions as : 10.3. The system() Function
  grouping
    4.2.1. Grouping Commands
    5.1. About the Syntax of sed Commands
  menu-based generator (example) : 10.4. A Menu-Based Command Generator
  multiple : 2.4.1. Running awk
  order of : 4.1. Applying Commands in a Script
  sed
    5. Basic sed Commands
    6. Advanced sed Commands
    A.3. Command Summary for sed
  syntax for : A.2. Syntax of sed Commands
comments
  5.2. Comment
  10.7.4. Commenting Out Loud
  B.2.2.2. Comments
  in awk scripts : 7.4.1. Describing Your Script
commercial versions of awk : 11.3. Commercial awks
comparing
  relationship operators for : 7.8. Relational and Boolean Operators
  strings : 9.2.5. The match() Function
concatenation
  3.1. That's an Expression
  7.6. Expressions
conditional statements
  8.1. Conditional Statements
  11.1.3. The C Conditional Expression
constants : B.2.5.1. Constants
constants, hexadecimal (tawk) : 11.3.2.1. Tawk language extensions
continue statement : 8.3. Other Statements That Affect Flow Control
continued lines : 11.2.3.3. Line continuation
converting : 8.4.5. Making Conversions
  acronym processor (example) : 8.5. An Acronym Processor
  case : 9.2.4. Converting Case
  numbers to strings : 7.7. System Variables
CONVFMT variable
  7.7. System Variables
  8.4.1. Associative Arrays
copying programs : 10.7.1. Make a Copy
cos() : 9.1.1. Trigonometric Functions
counters in for loops : 8.2.3. For Loop
cross-referencing scheme : 1.1. May You Solve Interesting Problems
csh shell
  1.4. Four Hurdles to Mastering sed and awk
  2.3.1. Specifying Simple Instructions
curly braces : (see braces)
customizing functions : 9.3. Writing Your Own Functions

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