| Index Entry | Section |
|---|
|
| E | | |
|---|
| EBCDIC | 15.5 Translating Between Characters and Numbers |
| egrep | 2.2.1 One-shot Throw-away awk Programs |
| egrep | 4.3 Regular Expression Operators |
| egrep utility | 16.1.2 Searching for Regular Expressions in Files |
| egrep.awk | 16.1.2 Searching for Regular Expressions in Files |
| element assignment | 11.3 Assigning Array Elements |
| element of array | 11.2 Referring to an Array Element |
| empty action | 2.3 A Very Simple Example |
| empty pattern | 8.1.6 The Empty Pattern |
| empty program | 14. Running awk |
| empty string | 5.1 How Input is Split into Records |
| empty string | 5.5.2 Using Regular Expressions to Separate Fields |
| empty string | 7.4 Conversion of Strings and Numbers |
| empty string | 7.9 True and False in awk |
| END special pattern | 8.1.5 The BEGIN and END Special Patterns |
| endfile | 15.9 Noting Data File Boundaries |
| endgrent | 15.12 Reading the Group Database |
| endpwent | 15.11 Reading the User Database |
| ENVIRON | 10.2 Built-in Variables that Convey Information |
| environment variable, AWKPATH | 14.3 The AWKPATH Environment Variable |
| environment variable, POSIXLY_CORRECT | 14.1 Command Line Options |
| equivalence classes | 4.3 Regular Expression Operators |
| ERRNO | 5.8.1 Introduction to getline |
| ERRNO | 6.8 Closing Input and Output Files and Pipes |
| ERRNO | 10.2 Built-in Variables that Convey Information |
| errors, common | 4.7 Using Dynamic Regexps |
| errors, common | 5.5.1 The Basics of Field Separating |
| errors, common | 6.2 Examples of print Statements |
| errors, common | 7.10 Variable Typing and Comparison Expressions |
| escape processing, sub et. al. | More About `\' and `&' with sub, gsub and gensub |
| escape sequence notation | 4.2 Escape Sequences |
| evaluation, order of | 12.1 Calling Built-in Functions |
| examining fields | 5.2 Examining Fields |
| executable scripts | 2.2.4 Executable awk Programs |
| exit statement | 9.9 The exit Statement |
| exp | 12.2 Numeric Built-in Functions |
| explicit input | 5.8 Explicit Input with getline |
| exponentiation | 7.5 Arithmetic Operators |
| expression | 7. Expressions |
| expression, assignment | 7.7 Assignment Expressions |
| expression, boolean | 7.11 Boolean Expressions |
| expression, comparison | 7.10 Variable Typing and Comparison Expressions |
| expression, conditional | 7.12 Conditional Expressions |
| expression, matching | 7.10 Variable Typing and Comparison Expressions |
| extract.awk | 16.2.7 Extracting Programs from Texinfo Source Files |
|
| F | | |
|---|
| features, adding | C.2.1 Adding New Features |
| fflush | 12.4 Built-in Functions for Input/Output |
| field operator $ | 5.2 Examining Fields |
| field separator, choice of | 5.5.1 The Basics of Field Separating |
| field separator, FS | 5.5.1 The Basics of Field Separating |
| field separator, on command line | 5.5.4 Setting FS from the Command Line |
| field, changing contents of | 5.4 Changing the Contents of a Field |
| fields | 5.2 Examining Fields |
| fields, separating | 5.5.1 The Basics of Field Separating |
| FIELDWIDTHS | 10.1 Built-in Variables that Control awk |
| file descriptors | 6.7 Special File Names in gawk |
| file, awk program | 2.2.3 Running Long Programs |
| FILENAME | 5. Reading Input Files |
| FILENAME | 5.8.8 Summary of getline Variants |
| FILENAME | 10.2 Built-in Variables that Convey Information |
| FILENAME, being set by getline | 5.8.8 Summary of getline Variants |
| Fish, Fred | B.7 Reporting Problems and Bugs |
| flushing buffers | 12.4 Built-in Functions for Input/Output |
| flushing buffers | Controlling Output Buffering with system |
| FNR | 5.1 How Input is Split into Records |
| FNR | 10.2 Built-in Variables that Convey Information |
| for statement | 9.4 The for Statement |
| format specifier | 6.5.2 Format-Control Letters |
| format string | 6.5.1 Introduction to the printf Statement |
| format, numeric output | 6.4 Controlling Numeric Output with print |
| formatted output | 6.5 Using printf Statements for Fancier Printing |
| formatted timestamps | 15.8 Managing the Time of Day |
| Free Software Foundation | The GNU Project and This Book |
| Free Software Foundation | B.1.1 Getting the gawk Distribution |
| Free Software Foundation | B.1.1 Getting the gawk Distribution |
| FreeBSD | The GNU Project and This Book |
| Friedl, Jeffrey | Acknowledgements |
| FS | 5.5.1 The Basics of Field Separating |
| FS | 10.1 Built-in Variables that Control awk |
| ftp, anonymous | B.1.1 Getting the gawk Distribution |
| ftp, anonymous | B.8 Other Freely Available awk Implementations |
| function call | 7.13 Function Calls |
| function call | 13.3 Calling User-defined Functions |
| function definition | 13.1 Function Definition Syntax |
| function, recursive | 13.1 Function Definition Syntax |
| functions, undefined | 13.3 Calling User-defined Functions |
| functions, user-defined | 13. User-defined Functions |
|
| G | | |
|---|
| gawk coding style | C.2.1 Adding New Features |
| gensub | 12.3 Built-in Functions for String Manipulation |
| getgrent | 15.12 Reading the Group Database |
| getgrent, C version | 15.12 Reading the Group Database |
| getgrgid | 15.12 Reading the Group Database |
| getgrnam | 15.12 Reading the Group Database |
| getgruser | 15.12 Reading the Group Database |
| getline | 5.8 Explicit Input with getline |
| getline, return values | 5.8.1 Introduction to getline |
| getline, setting FILENAME | 5.8.8 Summary of getline Variants |
| getopt | 15.10 Processing Command Line Options |
| getopt, C version | 15.10 Processing Command Line Options |
| getpwent | 15.11 Reading the User Database |
| getpwent, C version | 15.11 Reading the User Database |
| getpwnam | 15.11 Reading the User Database |
| getpwuid | 15.11 Reading the User Database |
| gettimeofday | 15.8 Managing the Time of Day |
| getting gawk | B.1.1 Getting the gawk Distribution |
| GNU Project | The GNU Project and This Book |
| grcat program | 15.12 Reading the Group Database |
| grcat.c | 15.12 Reading the Group Database |
| group file | 15.12 Reading the Group Database |
| group information | 15.12 Reading the Group Database |
| gsub | 12.3 Built-in Functions for String Manipulation |
| gsub, third argument of | 12.3 Built-in Functions for String Manipulation |
|