| Index Entry | Section |
|
E | | |
| e debugger command (alias for enable ) | 14.3.1 Control Of Breakpoints |
| EBCDIC | 12.2.5 Translating Between Characters and Numbers |
| egrep utility | 3.4 Using Bracket Expressions |
| egrep utility | 13.2.2 Searching for Regular Expressions in Files |
| egrep.awk program | 13.2.2 Searching for Regular Expressions in Files |
| elements in arrays | 8.1.2 Referring to an Array Element |
| elements in arrays, assigning | 8.1.3 Assigning Array Elements |
| elements in arrays, deleting | 8.2 The delete Statement |
| elements in arrays, order of | 8.1.5 Scanning All Elements of an Array |
| elements in arrays, scanning | 8.1.5 Scanning All Elements of an Array |
| email address for bug reports, bug-gawk@gnu.org | B.4 Reporting Problems and Bugs |
| EMISTERED | 11.4 Using gawk for Network Programming |
| empty pattern | 7.1.6 The Empty Pattern |
| empty strings, See null strings | 4.5.2 Using Regular Expressions to Separate Fields |
| enable debugger command | 14.3.1 Control Of Breakpoints |
| end debugger command | 14.3.2 Control of Execution |
| END pattern | 7.1.4 The BEGIN and END Special Patterns |
| END pattern, assert() user-defined function and | 12.2.2 Assertions |
| END pattern, backslash continuation and | 13.2.2 Searching for Regular Expressions in Files |
| END pattern, Boolean patterns and | 7.1.2 Expressions as Patterns |
| END pattern, exit statement and | 7.4.10 The exit Statement |
| END pattern, next /nextfile statements and | 7.1.4.2 Input/Output from BEGIN and END Rules |
| END pattern, next /nextfile statements and | 7.4.8 The next Statement |
| END pattern, operators and | 7.1.4.1 Startup and Cleanup Actions |
| END pattern, pgawk program | 11.5 Profiling Your awk Programs |
| END pattern, print statement and | 7.1.4.2 Input/Output from BEGIN and END Rules |
| ENDFILE pattern | 7.1.5 The BEGINFILE and ENDFILE Special Patterns |
| ENDFILE pattern, Boolean patterns and | 7.1.2 Expressions as Patterns |
| endfile() user-defined function | 12.3.1 Noting Data File Boundaries |
| endgrent() function (C library) | 12.6 Reading the Group Database |
| endgrent() user-defined function | 12.6 Reading the Group Database |
| endpwent() function (C library) | 12.5 Reading the User Database |
| endpwent() user-defined function | 12.5 Reading the User Database |
| ENVIRON array | 7.5.2 Built-in Variables That Convey Information |
| ENVIRON array | C.3.1 A Minimal Introduction to gawk Internals |
| environment variables | 7.5.2 Built-in Variables That Convey Information |
| epoch, definition of | Glossary |
| equals sign (= ), = operator | 6.2.3 Assignment Expressions |
| equals sign (= ), == operator | 6.3.2.2 Comparison Operators |
| equals sign (= ), == operator | 6.5 Operator Precedence (How Operators Nest) |
| EREs (Extended Regular Expressions) | 3.4 Using Bracket Expressions |
| ERRNO variable | 4.9 Explicit Input with getline |
| ERRNO variable | Advanced Notes: Using close() ’s Return Value |
| ERRNO variable | 7.1.5 The BEGINFILE and ENDFILE Special Patterns |
| ERRNO variable | 7.5.2 Built-in Variables That Convey Information |
| ERRNO variable | 11.4 Using gawk for Network Programming |
| ERRNO variable | C.3.1 A Minimal Introduction to gawk Internals |
| ERRNO variable | C.3.1 A Minimal Introduction to gawk Internals |
| error handling | 5.7.1 Special Files for Standard Descriptors |
| error handling, ERRNO variable and | 7.5.2 Built-in Variables That Convey Information |
| error output | 5.7.1 Special Files for Standard Descriptors |
| escape processing, gsub() /gensub() /sub() functions | 9.1.3.1 More About ‘\’ and ‘&’ with sub() , gsub() , and gensub() |
| escape sequences | 3.2 Escape Sequences |
| eval debugger command | 14.3.3 Viewing and Changing Data |
| evaluation order | Advanced Notes: Operator Evaluation Order |
| evaluation order, concatenation | 6.2.2 String Concatenation |
| evaluation order, functions | 9.1.1 Calling Built-in Functions |
| examining fields | 4.2 Examining Fields |
| exclamation point (! ), ! operator | 6.3.3 Boolean Expressions |
| exclamation point (! ), ! operator | 6.5 Operator Precedence (How Operators Nest) |
| exclamation point (! ), ! operator | 13.2.2 Searching for Regular Expressions in Files |
| exclamation point (! ), != operator | 6.3.2.2 Comparison Operators |
| exclamation point (! ), != operator | 6.5 Operator Precedence (How Operators Nest) |
| exclamation point (! ), !~ operator | 3.1 How to Use Regular Expressions |
| exclamation point (! ), !~ operator | 3.6 Case Sensitivity in Matching |
| exclamation point (! ), !~ operator | 3.8 Using Dynamic Regexps |
| exclamation point (! ), !~ operator | 6.1.1.3 Regular Expression Constants |
| exclamation point (! ), !~ operator | 6.3.2.2 Comparison Operators |
| exclamation point (! ), !~ operator | 6.3.2.2 Comparison Operators |
| exclamation point (! ), !~ operator | 6.5 Operator Precedence (How Operators Nest) |
| exclamation point (! ), !~ operator | 7.1.2 Expressions as Patterns |
| exit statement | 7.4.10 The exit Statement |
| exit status, of gawk | 2.6 gawk ’s Exit Status |
| exp() function | 9.1.2 Numeric Functions |
| expand utility | 1.3 Some Simple Examples |
| expressions | 6. Expressions |
| expressions, as patterns | 7.1.2 Expressions as Patterns |
| expressions, assignment | 6.2.3 Assignment Expressions |
| expressions, Boolean | 6.3.3 Boolean Expressions |
| expressions, comparison | 6.3.2 Variable Typing and Comparison Expressions |
| expressions, conditional | 6.3.4 Conditional Expressions |
| expressions, matching, See comparison expressions | 6.3.2 Variable Typing and Comparison Expressions |
| expressions, selecting | 6.3.4 Conditional Expressions |
| Extended Regular Expressions (EREs) | 3.4 Using Bracket Expressions |
| eXtensible Markup Language (XML) | C.3.1 A Minimal Introduction to gawk Internals |
| extension() function (gawk ) | C.3.3.3 Integrating the Extensions |
| extensions, Brian Kernighan’s awk | A.4 Extensions in Brian Kernighan’s awk |
| extensions, Brian Kernighan’s awk | B.5 Other Freely Available awk Implementations |
| extensions, common, ** operator | 6.2.1 Arithmetic Operators |
| extensions, common, **= operator | 6.2.3 Assignment Expressions |
| extensions, common, /dev/stderr special file | 5.7.1 Special Files for Standard Descriptors |
| extensions, common, /dev/stdin special file | 5.7.1 Special Files for Standard Descriptors |
| extensions, common, /dev/stdout special file | 5.7.1 Special Files for Standard Descriptors |
| extensions, common, BINMODE variable | B.3.1.4 Using gawk on PC Operating Systems |
| extensions, common, delete to delete entire arrays | 8.2 The delete Statement |
| extensions, common, fflush() function | 9.1.4 Input/Output Functions |
| extensions, common, func keyword | 9.2.1 Function Definition Syntax |
| extensions, common, length() applied to an array | 9.1.3 String-Manipulation Functions |
| extensions, common, nextfile statement | 7.4.9 Using gawk ’s nextfile Statement |
| extensions, common, RS as a regexp | 4.1 How Input Is Split into Records |
| extensions, common, single character fields | 4.5.3 Making Each Character a Separate Field |
| extensions, common, \x escape sequence | 3.2 Escape Sequences |
| extensions, in gawk , not in POSIX awk | A.5 Extensions in gawk Not in POSIX awk |
| extract.awk program | 13.3.7 Extracting Programs from Texinfo Source Files |
| extraction, of marked strings (internationalization) | 10.4.1 Extracting Marked Strings |
|