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

Index: E

e (constant) : 9.1.1. Trigonometric Functions

-e option (sed)

2.3.1. Specifying Simple Instructions

2.3.2.3. Mixing options (POSIX)

ed editor : 2. Understanding Basic Operations

edits, pipelined : 4.4.4. Edits To Go

egrep program : 3. Understanding Regular Expression Syntax

else statements : (see if statements)

end

of line : (see $ (dollar sign))

of word : (see \<, \> escape sequences)

END procedure : 11.1.6. Control Flow

ENDFILE procedure (tawk) : 11.3.2.1. Tawk language extensions

"Ending delimiter missing" error : 2.3.1.1. Command garbled

ENVIRON variable

8.6. System Variables That Are Arrays

8.6.2. An Array of Environment Variables

environment variables : 8.6.2. An Array of Environment Variables

equal sign (=)

== (equal to) operator : 7.8. Relational and Boolean Operators

for printing line numbers : 5.9. Print Line Number

equivalence classes : 3.2.4.3. POSIX character class additions

EREs (extended regular expressions) : 3.2.4.3. POSIX character class additions

ERRNO variable (gawk) : 11.2.3.8. Additional variables

error messages

11.2.1.4. Special filenames

12.3.4. A Function for Reporting Errors

awk : 2.4.2. Error Messages

"command garbled"

2.3.1.1. Command garbled

5.1. About the Syntax of sed Commands

sed : 2.3.1.1. Command garbled

errors

debugging : 10.7. Debugging

spelling, finding (example) : 12.1. An Interactive Spelling Checker

ESC character in vi : 5.6. List

escape sequences, awk

7.6. Expressions

11.1.1. Escape Sequences

B.2.5.2. Escape sequences

escaping : (see backslash)

example programs : Sample Programs

exchange command : (see x command (sed))

exclamation point (!) : 4.2. A Global Perspective on Addressing

!= (not equal to) operator : 7.8. Relational and Boolean Operators

!~ (does not match) operator

7.5.1. Referencing and Separating Fields

7.8. Relational and Boolean Operators

csh and : 1.4. Four Hurdles to Mastering sed and awk

logical NOT operator : 7.8. Relational and Boolean Operators

tilde (~) operator : 7.5.1. Referencing and Separating Fields

exit statement : 8.3. Other Statements That Affect Flow Control

exp() : 9.1.1. Trigonometric Functions

exponentiation

7.6. Expressions

9.1.1. Trigonometric Functions

11.1.2. Exponentiation

** operator : 7.6. Expressions

^ operator : 7.6. Expressions

expressions

3.1. That's an Expression

B.2.5. Expressions

awk : 7.6. Expressions

executing as commands : 10.3. The system() Function

regular : (see regular expressions)

extended regular expressions (EREs) : 3.2.4.3. POSIX character class additions

extensions

common awk : 11.2.1. Common Extensions

gawk : 11.2.3. GNU awk (gawk)

mawk : 11.2.4. Michael's awk (mawk)

tawk : 11.3.2. Thompson Automation awk (tawk)

extent of matching : 3.2.12.1. The extent of the match

extracting file contents : 4.4.3. Extracting Contents of a File

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