| Index Entry | Section |
|---|
|
| N | | |
|---|
| names, use of | 13.1 Function Definition Syntax |
| namespace issues in awk | 15.13 Naming Library Function Global Variables |
| namespaces | 13.1 Function Definition Syntax |
| NetBSD | The GNU Project and This Book |
| new awk | History of awk and gawk |
| new awk vs. old awk | 2.1 A Rose By Any Other Name |
| newline | 2.6 awk Statements Versus Lines |
| next file statement | 9.8 The nextfile Statement |
| next statement | 9.7 The next Statement |
| next, inside a user-defined function | 9.7 The next Statement |
| nextfile function | 15.2 Implementing nextfile as a Function |
| nextfile statement | 9.8 The nextfile Statement |
| NF | 5.2 Examining Fields |
| NF | 10.2 Built-in Variables that Convey Information |
| non-interactive buffering vs. interactive | Interactive vs. Non-Interactive Buffering |
| not operator | 7.11 Boolean Expressions |
| NR | 5.1 How Input is Split into Records |
| NR | 10.2 Built-in Variables that Convey Information |
| null string | 5.5.2 Using Regular Expressions to Separate Fields |
| null string | 7.4 Conversion of Strings and Numbers |
| null string | 7.9 True and False in awk |
| null string, as array subscript | 11.8 Using Uninitialized Variables as Subscripts |
| number of fields, NF | 5.2 Examining Fields |
| number of records, NR, FNR | 5.1 How Input is Split into Records |
| numbers, used as subscripts | 11.7 Using Numbers to Subscript Arrays |
| numeric character values | 15.5 Translating Between Characters and Numbers |
| numeric constant | 7.1.1 Numeric and String Constants |
| numeric output format | 6.4 Controlling Numeric Output with print |
| numeric string | 7.10 Variable Typing and Comparison Expressions |
| numeric value | 7.1.1 Numeric and String Constants |
|
| O | | |
|---|
| obsolete features | 14.4 Obsolete Options and/or Features |
| obsolete options | 14.4 Obsolete Options and/or Features |
| OFMT | 6.4 Controlling Numeric Output with print |
| OFMT | 7.4 Conversion of Strings and Numbers |
| OFMT | 10.1 Built-in Variables that Control awk |
| OFS | 6.3 Output Separators |
| OFS | 10.1 Built-in Variables that Control awk |
| old awk | History of awk and gawk |
| old awk vs. new awk | 2.1 A Rose By Any Other Name |
| one-liners | 3. Useful One Line Programs |
| operations, logical | 7.11 Boolean Expressions |
| operator precedence | 7.14 Operator Precedence (How Operators Nest) |
| operators, arithmetic | 7.5 Arithmetic Operators |
| operators, assignment | 7.7 Assignment Expressions |
| operators, boolean | 7.11 Boolean Expressions |
| operators, decrement | 7.8 Increment and Decrement Operators |
| operators, increment | 7.8 Increment and Decrement Operators |
| operators, regexp matching | 4.1 How to Use Regular Expressions |
| operators, relational | 7.10 Variable Typing and Comparison Expressions |
| operators, relational | 7.10 Variable Typing and Comparison Expressions |
| operators, short-circuit | 7.11 Boolean Expressions |
| operators, string | 7.6 String Concatenation |
| operators, string-matching | 4.1 How to Use Regular Expressions |
| options, command line | 14. Running awk |
| options, long | 14. Running awk |
| or operator | 7.11 Boolean Expressions |
| ord | 15.5 Translating Between Characters and Numbers |
| order of evaluation | 12.1 Calling Built-in Functions |
| ORS | 6.3 Output Separators |
| ORS | 10.1 Built-in Variables that Control awk |
| output | 6. Printing Output |
| output field separator, OFS | 6.3 Output Separators |
| output format specifier, OFMT | 6.4 Controlling Numeric Output with print |
| output record separator, ORS | 6.3 Output Separators |
| output redirection | 6.6 Redirecting Output of print and printf |
| output, buffering | 12.4 Built-in Functions for Input/Output |
| output, buffering | Controlling Output Buffering with system |
| output, formatted | 6.5 Using printf Statements for Fancier Printing |
| output, piping | 6.6 Redirecting Output of print and printf |
|
| P | | |
|---|
| passes, multiple | 14.2 Other Command Line Arguments |
| password file | 15.11 Reading the User Database |
| path, search | 14.3 The AWKPATH Environment Variable |
| pattern, BEGIN | 8.1.5 The BEGIN and END Special Patterns |
| pattern, default | 2.3 A Very Simple Example |
| pattern, definition of | 8. Patterns and Actions |
| pattern, empty | 8.1.6 The Empty Pattern |
| pattern, END | 8.1.5 The BEGIN and END Special Patterns |
| pattern, range | 8.1.4 Specifying Record Ranges with Patterns |
| pattern, regular expressions | 4. Regular Expressions |
| patterns, types of | 8.1.1 Kinds of Patterns |
| per file initialization and clean-up | 15.9 Noting Data File Boundaries |
| PERL | C.3 Probable Future Extensions |
| pipeline, input | 5.8.6 Using getline from a Pipe |
| pipes for output | 6.6 Redirecting Output of print and printf |
| portability issues | 2.6 awk Statements Versus Lines |
| portability issues | 4.2 Escape Sequences |
| portability issues | 6.8 Closing Input and Output Files and Pipes |
| portability issues | 11.6 The delete Statement |
| portability issues | 12.3 Built-in Functions for String Manipulation |
| portability issues | 12.4 Built-in Functions for Input/Output |
| portability issues | 13.1 Function Definition Syntax |
| portability issues | 15.1 Simulating gawk-specific Features |
| porting gawk | C.2.2 Porting gawk to a New Operating System |
| POSIX awk | 4.2 Escape Sequences |
| POSIX awk | 4.3 Regular Expression Operators |
| POSIX awk | 4.3 Regular Expression Operators |
| POSIX awk | 4.3 Regular Expression Operators |
| POSIX awk | 5.5.5 Field Splitting Summary |
| POSIX awk | 6.4 Controlling Numeric Output with print |
| POSIX awk | 6.5.3 Modifiers for printf Formats |
| POSIX awk | 7.4 Conversion of Strings and Numbers |
| POSIX awk | 7.5 Arithmetic Operators |
| POSIX awk | 7.7 Assignment Expressions |
| POSIX awk | 7.14 Operator Precedence (How Operators Nest) |
| POSIX awk | 7.14 Operator Precedence (How Operators Nest) |
| POSIX awk | 9.5 The break Statement |
| POSIX awk | 9.6 The continue Statement |
| POSIX awk | 9.7 The next Statement |
| POSIX awk | 10.1 Built-in Variables that Control awk |
| POSIX awk | 12.3 Built-in Functions for String Manipulation |
| POSIX awk | More About `\' and `&' with sub, gsub and gensub |
| POSIX awk | 13.1 Function Definition Syntax |
| POSIX mode | 14.1 Command Line Options |
| POSIXLY_CORRECT environment variable | 14.1 Command Line Options |
| precedence | 7.14 Operator Precedence (How Operators Nest) |
| precedence, regexp operators | 4.3 Regular Expression Operators |
| print statement | 6.1 The print Statement |
| printf statement, syntax of | 6.5.1 Introduction to the printf Statement |
| printf, format-control characters | 6.5.2 Format-Control Letters |
| printf, modifiers | 6.5.3 Modifiers for printf Formats |
| printing | 6. Printing Output |
| procedural languages | 2. Getting Started with awk |
| process information | 6.7 Special File Names in gawk |
| processing arguments | 15.10 Processing Command Line Options |
| program file | 2.2.3 Running Long Programs |
| program, awk | 1.1 Using This Book |
| program, definition of | 2. Getting Started with awk |
| program, definition of | 2. Getting Started with awk |
| program, self contained | 2.2.4 Executable awk Programs |
| programs, documenting | 2.2.5 Comments in awk Programs |
| programs, documenting | 15.13 Naming Library Function Global Variables |
| pwcat program | 15.11 Reading the User Database |
| pwcat.c | 15.11 Reading the User Database |
|