Index

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# Index: N

n command (debugger) : 8.1.1. Debugger Commands
-n switch, perl : 6.1.2. Switches
named pipes : 6.2.2.4. Named pipes
named unary operators
  2.3.7.3. Filename globbing operator
  2.5.10. Named Unary and File Test Operators
names
  arrays : 2.3.1. Variables
  capitalization conventions : 2.3.1. Variables
  commands : 1.2.2. Verbs
  current working directory : 7.2.7. Cwd - Get Pathname of Current Working Directory
  file : 2.3.2.7. Other literal tokens
  for files : (see filenames)
  format : (see format, names)
  functions : 1.2.2. Verbs
  getting from network addresses
    3.2.47. gethostbyaddr
    3.2.51. getnetbyaddr
  getting from port number : 3.2.64. getservbyname
  global variables : 7.2.76. vars - Predeclare Global Variable Names
  hashes : 2.3.1. Variables
  labels and filehandles : 2.3.1. Variables
  modules : 5.2. Modules
  modules/packages : 8.4. Programming with Style
  program : (see $ variables, $0 variable)
  protocol : 3.2.59. getprotobynumber
    getting from port number : 3.2.65. getservbyport
  signals : 6.2.1. Signals
  sockets : 3.2.7. bind
  subroutine : 2.7. Subroutines
  subroutines : 2.3.1. Variables
  translating to network addresses
    3.2.48. gethostbyname
    3.2.52. getnetbyname
  typeglobs
    2.3.6. Typeglobs and Filehandles
    2.7.1. Passing Symbol Table Entries (Typeglobs)
  usernames, passwd file entry from : 3.2.62. getpwnam
  variable
    7.2.61. Symbol - Generate Anonymous Globs; Qualify Variable Names
    8.4. Programming with Style
  variables
    1.2.1. Nouns
    2.3.1. Variables
namespace : (see packages)
namespaces, creating safe : 7.2.51. Safe - Create Safe Namespaces for Evaluating Perl Code
natural languages : 1.2. Natural and Artificial Languages
NDBM_File module : 7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs
NDBM_File mofule : 7.2.45. NDBM_File - Tied Access to NDBM Files
ne operator : 8.2.1. Universal Blunders
negation
  arithmetic (-) operator : 2.5.5. Ideographic Unary Operators
  bitwise (~) operator : 2.5.5. Ideographic Unary Operators
  logical (!) operator : 2.5.5. Ideographic Unary Operators
  of character class : 1.7.1. Quantifiers
negative lookahead asserion : 2.4.1.4. Regular expression extensions
nested
  data structures, printed : 8.1.1. Debugger Commands
  destruction : 5.3.7. Destructors
  lists
    4.6. A Brief Tutorial: Manipulating Lists of Lists
    4.7. Data Structure Code Examples
  packages : 5.1. Packages
Net::Ping module : 7.2.46. Net::Ping - Check Whether a Host Is Online
network addresses, translating to names
  3.2.47. gethostbyaddr
  3.2.51. getnetbyaddr
networks file : (see /etc/networks file)
new method : 3.2.98. new
new() : 7.2.33. FileHandle - Supply Object Methods for Filehandles
new_from_fd() : 7.2.33. FileHandle - Supply Object Methods for Filehandles
newlines
  boundary assertions and : 2.4.1.2. The rules of regular expression matching
  removing : 1.4. Filehandles
  in string literals : 2.3.2.2. String literals
newsgroups : Usenet Newsgroups
next operator
  1.6.2.4. Breaking out: next and last
  2.6.4.4. Loop control
  3.2.99. next
  next if construct : 8.3.1. Time Efficiency
NEXTKEY method : 5.4.3. Tying Hashes
NFA (nondeterministic finite-state automaton) : 2.4.1.2. The rules of regular expression matching
$nlink file statistic : 3.2.159. stat
no declaration
  2.6.9. Pragmas
  3.2.100. no
nomethod operator : 7.2.48.4. No method
nondeterministic finite-state automaton (NFA) : 2.4.1.2. The rules of regular expression matching
not (!) operator : 2.5.5. Ideographic Unary Operators
not equal to (!=) operator : 2.5.12. Equality Operators
nouns : 1.2.1. Nouns
$NR : (see $ variables, $. variable)
null
  filehandle
    angle operator and : 2.3.7.2. Line input (angle) operator
  list : 2.3.4. List Values and Arrays
  scalars : 2.3.3.2. Boolean context
numbers
  for commands, debugger and : 8.1.2. Using the Debugger
  comparing in awk : 6.4.2.2. a2p
  comparison operators for : 1.5.6. Comparison Operators
  complex : 7.2.44. Math::Complex - Complex Numbers Package
  \d (for digit) : 1.7. Regular Expressions
  digits in names : 2.3.1. Variables
  floating-point : 7.2.42. Math::BigFloat - Arbitrary-Length, Floating-Point Math Package
  hexadecimal
    (see hexadecimal numbers)
    2.4.1.2. The rules of regular expression matching
    3.2.73. hex
  integers
    7.2.38. integer - Do Arithmetic in Integer Instead of Double
    7.2.43. Math::BigInt - Arbitrary-Length Integer Math Package
  justifying by decimal point : 2.8. Formats
  large, underscore and : 2.3.2.1. Numeric literals
  line (__LINE__ token) : 2.3.2.7. Other literal tokens
  octal
    (see octal characters)
    2.4.1.2. The rules of regular expression matching
    3.2.101. oct
  for pages : 2.9.2. Per-Filehandle Special Variables
  port, getting name for/from
    3.2.64. getservbyname
    3.2.65. getservbyport
  protocol : 3.2.59. getprotobynumber
  random
    3.2.115. rand
    3.2.158. srand
  truncating with int : 3.2.76. int
numeric literals : 2.3.2.1. Numeric literals

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