Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: R

r command (sed): 5.11. Reading and Writing Files

rand( ): 9.1.3. Random Number Generation

random numbers: 9.1.3. Random Number Generation

range of characters (see character classes)

--re-interval option (gawk): 11.2.3.1. Command line options

read command (see r command (sed))

reading: 10.1. The getline Function

from files: 5.11. Reading and Writing Files

10.1.1. Reading Input from Files

from pipe: 10.1.3. Reading Input from a Pipe

readsource script (example): 13.6. readsource—Format Program Source Files for troff

RECLEN variable (tawk): 11.3.2.1. Tawk language extensions

records, awk: 2.4.1. Running awk

7.5. Records and Fields

B.2.1. Records and Fields

arrays and: 8.4. Arrays

fixed-length (tawk): 11.3.2.1. Tawk language extensions

multiline: 7.7.1. Working with Multiline Records

NF variable: 7.7. System Variables

7.7. System Variables

NR variable: 7.7. System Variables

7.7. System Variables

8.4. Arrays

10.1.2. Assigning the Input to a Variable

RT variable (gawk): 11.2.3.5. Regular expression record terminators

separators for (see delimiters)

redirection: 2.3.2.1. Saving output

4.3. Testing and Saving Output

10.5. Directing Output to Files and Pipes

references: 0.. Other Sources of Information About sed and awk

referencing fields: 2.4.1. Running awk

7.5.1. Referencing and Separating Fields

regular expressions: 1.4. Four Hurdles to Mastering sed and awk

1.4. Four Hurdles to Mastering sed and awk

3. Understanding Regular Expression Syntax

B.2.3. Patterns

B.2.4. Regular Expressions

as constants: 7.8. Relational and Boolean Operators

delimiters for: 2.1. Awk, by Sed and Grep, out of Ed

5.3. Substitution

dynamic, faking: 11.1.5. Faking Dynamic Regular Expressions

ed and: 2.1. Awk, by Sed and Grep, out of Ed

examples of: 3.3. I Never Metacharacter I Didn't Like

gawk extensions to: 11.2.3.4. Extended regular expressions

metacharacters for (see netacharacters)

POSIX standard for: 3.2.4.3. POSIX character class additions

RS variable as: 11.2.1.6. Regular expression record separators (gawk and mawk)

11.3.2.1. Tawk language extensions

tawk and: 11.3.2.1. Tawk language extensions

union of: 3.2. A Line-Up of Characters

3.2.9. Alternative Operations

writing: 3.2.3. Writing Regular Expressions

relational expressions: B.2.3. Patterns

relational operators: 7.8. Relational and Boolean Operators

replacement metacharacters: 5.3.1. Replacement Metacharacters

numbered saves: 5.3.1. Replacement Metacharacters

replacing text: 1.2. A Stream Editor

3.2.12.1. The extent of the match

retrieving data from files: 7.11. Information Retrieval

return statement: 9.3. Writing Your Own Functions

9.3.1. Writing a Sort Function

revision control systems: 10.7.1. Make a Copy

RS variable: 7.7. System Variables

regular expression for: 11.2.1.6. Regular expression record separators (gawk and mawk)

11.3.2.1. Tawk language extensions

RT variable (gawk): 11.2.3.5. Regular expression record terminators

rules, pattern-matching (see pattern matching)

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