Index: N
Symbols
| A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
| L
| M
| N
| O
| P
| Q
| R
| S
| T
| U
| V
| W
| X
| Y
| Z
Index: N
- \n: 25.1. Newlines
- (see also newlines)
- -n (loop) command-line switch: 19.1.3. Switches
- named
- character: 2.6.2. String Literals
- character, metasymbol for: 5.3.2. Specific Characters
- characters, inserting: 15.2. Effects of Character Semantics
- pipes: 16.3.4. Named Pipes
- named unary operators: 2.11.3. Filename Globbing Operator
- 3.10. Named Unary and File Test Operators
- listing of: 3.10. Named Unary and File Test Operators
- names: 2.5. Names
- arrays: 2.4. Variables
- attributes, subroutines: 6.5.1. The locked and method Attributes
- capitalization conventions: 2.5. Names
- classes, distinguishing from subroutines: 12.3.4. Package-Quoted Classes
- commands: 1.2.2. Verbs
- constructors: 12.4.2. Initializers
- file: 2.6.8. Other Literal Tokens
- for files==>filenames: 29.2.128. rename
- format (see format names)
- formats associated with filehandles: 7. Formats
- functions: 1.2.2. Verbs
- getting from network addresses: 29.2.47. gethostbyaddr
- group names: 29.2.46. getgrnam
- hashes: 2.4. Variables
- hashes, storing in: 1.2.1.2. Pluralities
- hostnames, translating to network addresses: 29.2.48. gethostbyname
- identifiers vs.: 2.5. Names
- labels and filehandles: 2.5. Names
- login (see login names)
- lookups of: 2.5.1. Name Lookups
- methods, tied variables: 14. Tied Variables
- modules: 11.1. Using Modules
- capitalization in: 11.1. Using Modules
- modules/packages: 24.3. Programming with Style
- network addresses, getting from: 29.2.51. getnetbyaddr
- packages: 10. Packages
- parameters, not requiring: 6.2.1. Tricks with Parameter Lists
- ports, getting from number: 29.2.64. getservbyname
- program (see $0 variable)
- protocols, getting from port numbers: 29.2.65. getservbyport
- protocols, translating to/from numbers: 29.2.58. getprotobyname
- scope, confining to: 4.8.1. Scoped Variable Declarations
- signals: 16.1. Signals
- subroutines: 6.1. Syntax
- capitalization in: 6.1. Syntax
- symbol tables: 10.1. Symbol Tables
- temporary files, generating: 23.2.3. Temporary Files
- translating to network addresses: 29.2.52. getnetbyname
- typeglobs: 2.10. Typeglobs and Filehandles
- users: 29.2.62. getpwnam
- variable: 24.3. Programming with Style
- variables: 1.2.1. Variable Syntax
- 2.4. Variables
- namespace (see also packages)
- encapsulation based on: 14.6. Tie Modules on CPAN
- modules and: 11.2.1. Module Privacy and the Exporter
- namespaces: 2.5. Names
- access, restricting with Safe module: 23.3.1.1. Restricting namespace access
- for packages: 1.2.1.4. Simplicities
- naming, socket: 29.2.5. bind
- natural languages: 1.2. Natural and Artificial Languages
- environment variables controlling Perl handling of: 19.2. Environment Variables
- NDBM_File module: 32.1.10. DBM Interfaces
- ne operator: 24.1.1. Universal Blunders
- negation
- arithmetic (-)operator: 3.5. Ideographic Unary Operators
- bitwise (~) operator: 3.5. Ideographic Unary Operators
- character classes: 5.4.1. Custom Character Classes
- 5.4.2. Classic Perl Character Class Shortcuts
- logical (!) operator: 3.5. Ideographic Unary Operators
- of character class: 1.7.1. Quantifiers
- POSIX character classes: 5.4.4. POSIX-Style Character Classes
- negation operator (!), overloading: 13.3. Overloadable Operators
- negative array subscripts, counting from end of array: 24.1.5. Previous Perl Traps
- negative lookahead assertions: 5.9.4. The Little Engine That /Could(n't)?/
- 5.10.1. Lookaround Assertions
- negative subscripts in Perl: 2.3. Built-in Data Types
- nested
- arrays: 9.1. Arrays of Arrays
- data structures: 1.2.1.3. Complexities
- data structures, printed: 20.2.4. Display
- destruction: 12.6. Instance Destructors
- lists: 9.1. Arrays of Arrays
- subroutines: 8.3.7.2. Nested subroutines
- Net::hostent module: 29.2.49. gethostent
- 32.1.8. Networking and Interprocess Communication
- Class::Struct, using to create objects and accesors: 32.6. Class::Struct
- Net::netent module: 29.2.51. getnetbyaddr
- 32.1.8. Networking and Interprocess Communication
- netnews: 22.1. The CPAN modules Directory
- (see also Usenet)
- Net::Ping module: 32.1.8. Networking and Interprocess Communication
- Net::proto module: 29.2.59. getprotobynumber
- Net::protoent module: 32.1.8. Networking and Interprocess Communication
- Net::servent module: 32.1.8. Networking and Interprocess Communication
- networking
- clients: 16.5.1. Networking Clients
- modules for: 32.1.8. Networking and Interprocess Communication
- modules implementing network protocols: 22.1. The CPAN modules Directory
- network addresses,
translating to names: 29.2.51. getnetbyaddr
- 29.2.47. gethostbyaddr
- network filesystems (see NFS)
- network information, functions for retrieving: 29.1. Perl Functions by Category
- servers: 16.5.2. Networking Servers
- services, Perl module for interacting with: 22.1. The CPAN modules Directory
- Win32 network modules: 32.1.20. Microsoft-Related Modules
- networking modules: 16.5. Sockets
- networks file (see /etc/networks file)
- new method: 17.2.1.1. Thread creation
- 29.2.100. new
- newlines:
2.2. Molecules
- blank lines, truth values and: 1.6.2.1. The while and until statements
- chomp function, deleting with: 29.2.11. chomp
- dot (.) metacharacter, matching: 5.3.3. Wildcard Metasymbols
- in filenames, security risks of: 23.1.2. Cleaning Up Your Environment
- Perl program portability and: 25.1. Newlines
- removing: 1.4. Filehandles
- in string literals: 2.6.2. String Literals
- strings containing, matches against: 5.2.1. Pattern Modifiers
- newsgroups: 0.6.2. Usenet Newsgroups
- next,
used in a do while: 4.5. Bare Blocks
- next command,
do {} while construct, not taking: 24.1.3. C Traps
- next operator: 1.6.2.4. Breaking out: next and last
- 4.4.1. while and until Statements
- 4.4.4. Loop Control
- 4.4.4. Loop Control
- 29.2.101. next
- exiting once-through blocks with: 4.5. Bare Blocks
- next if construct: 24.2.1. Time Efficiency
- NFA (nondeterministic finite-state automaton): 5.9.4. The Little Engine That /Could(n't)?/
- limitations of: 16.5. Sockets
- $nlink file statistic: 29.2.165. stat
- \NNN metasymbol: 5.3.2. Specific Characters
- no declarations: 4.7. Global Declarations
- 4.9. Pragmas
- 11.1. Using Modules
- 14.1.3. Magically Banishing $_
- 29.2.102. no
- nomethod overloading key: 13.5. When an Overload Handler Is Missing (nomethod and fallback)
- nonbacktracking subpatterns: 5.10.2. Nonbacktracking Subpatterns
- nondeterministic finite-state automaton (NFA): 5.9.4. The Little Engine That /Could(n't)?/
- noninteractive mode, putting debugger in: 20.4. Unattended Execution
- not (!) operator: 3.5. Ideographic Unary Operators
- not equal to (!=) operator: 3.12. Equality Operators
- notational convenience, tied arrays: 14.2.2. Notational Convenience
- nouns: 1.2. Natural and Artificial Languages
- packages, handling of: 1.2.1.4. Simplicities
- novice programmers, common mistakes of: 24.1. Common Goofs for Novices
- null
- filehandle ;angle operator and: 2.11.2. Line Input (Angle) Operator
- list: 2.8. List Values and Arrays
- null device, Unix: 14.4.2. Creative Filehandles
- null list,
assigning to arrays: 2.8.2. Array Length
- null values ("" or 0): 1.2.1.1. Singularities
- number,
line (see __LINE__ token)
- number width: 25.2. Endianness and Number Width
- numbered variables: 28.2. Special Variables in Alphabetical Order
- numbers: 1.2.1. Variable Syntax
- arrays, storing in: 1.2.1.2. Pluralities
- bitwise operators, working with: 3.13. Bitwise Operators
- command (see command history, debugger and)
- commas, inserting into: 7.1. Format Variables
- comparison operators for: 1.5.6. Some Numeric and String Comparison Operators
- converting nonnumeric variables to: 13.3. Overloadable Operators
- d for digit=\d (for digit): 1.7. Regular Expressions
- digits in names: 2.5. Names
- floating-point (see floating-point numbers)
- functions dealing with: 29.1. Perl Functions by Category
- hexadecimal: 2.6.1. Numeric Literals
- 29.2.73. hex
- hexadecimal, converting to: 5.2.3. The s/// Operator (Substitution)
- integers (see integers)
- justifying by decimal point: 7. Formats
- large, underscore and: 2.6.1. Numeric Literals
- octal: 2.6.1. Numeric Literals
- 29.2.103. oct
- for pages: 28.2. Special Variables in Alphabetical Order
- port, getting name for: 29.2.64. getservbyname
- ports, getting protocol names from: 29.2.65. getservbyport
- protocol: 29.2.59. getprotobynumber
- random: 29.2.119. rand
- 29.2.164. srand
- strings, converting to: 2.6. Scalar Values
- truncating with int: 29.2.76. int
- truth values of: 1.6.1. What Is Truth?
- typing in Perl: 2.6. Scalar Values
- width of: 25.2. Endianness and Number Width
- numeric context: 2.7.1. Scalar and List Context
- numeric literals: 2.6.1. Numeric Literals
- NV (internal double value): 21.2. Internal Data Types
Symbols
| A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
| L
| M
| N
| O
| P
| Q
| R
| S
| T
| U
| V
| W
| X
| Y
| Z
Copyright © 2001
O'Reilly & Associates, Inc.
All Rights Reserved.