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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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