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Index: N
- n command (debugger)
- Perl in a Nutshell, Chapter 6, Reference: n
- Programming Perl, 8.1.1. Debugger Commands
- \n, in single-quoted strings
: Learning Perl, 2.3.1. Single-Quoted Strings
- n index
- Entry widget
: Perl in a Nutshell, 18.8.1. Text Indexes
- Listbox widget
: Perl in a Nutshell, 18.10.1. Listbox Indexes
- Menu widget
: Perl in a Nutshell, 18.15.1. Menu Indexes
- Text widget
: Perl in a Nutshell, 18.11.1. Text Indexes and Modifiers
- -n option (sed)
: Learning Perl, 18.2. Converting sed Programs to Perl
- \n (newline) sequence
: Perl in a Nutshell, 4.6.3. Escaped Sequences
- -n switch, perl
- Perl Cookbook, 7.7. Writing a Filter
- Perl in a Nutshell, 3.2. Command-Line Options
- Programming Perl, 6.1.2. Switches
- Nagle's algorithm
: Perl Cookbook, 17.3. Communicating over TCP
- naked blocks
: Learning Perl, 9.1. The last Statement
- NAME attribute (DBI)
: Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles
- name() (Mail::Address)
: Perl in a Nutshell, Chapter 14, Reference: name
- name=value pairs
: (see queries)
- named parameters (CGI)
: Perl in a Nutshell, 10.4. Named Parameters
- named pipes
- Perl Cookbook, 16.11. Making a Process Look Like a File with Named Pipes
- Perl Cookbook, 16.22. Program: sigrand
- Programming Perl, 6.2.2.4. Named pipes
- named unary operators
- Programming Perl, 2.3.7.3. Filename globbing operator
- Programming Perl, 2.5.10. Named Unary and File Test Operators
- names
- arrays
: Programming Perl, 2.3.1. Variables
- capitalization conventions
- (see also case/capitalization)
- Programming Perl, 2.3.1. Variables
- commands
: Programming Perl, 1.2.2. Verbs
- current subroutines
: Perl Cookbook, 10.4. Determining Current Function Name
- current working directory
: Programming Perl, 7.2.7. Cwd - Get Pathname of Current Working Directory
- filenames
: (see filenames)
- format
: (see format, names)
- functions
: Programming Perl, 1.2.2. Verbs
- getting from network addresses
- Programming Perl, 3.2.47. gethostbyaddr
- Programming Perl, 3.2.51. getnetbyaddr
- getting from port number
: Programming Perl, 3.2.64. getservbyname
- hashes
- Advanced Perl Programming, 1.3. Nested Data Structures
- Programming Perl, 2.3.1. Variables
- labels and filehandles
: Programming Perl, 2.3.1. Variables
- loop labels
: Perl in a Nutshell, 4.3.1.5. Loop control
- modules/packages
- Advanced Perl Programming, 6.2. Packages and Files
- Perl in a Nutshell, 7.1. Namespaces and Packages
- Programming Perl, 5.2. Modules
- Programming Perl, 8.4. Programming with Style
- program
: (see $ variables, $0 variable)
- protocols
- Programming Perl, 3.2.59. getprotobynumber
- Programming Perl, 3.2.65. getservbyport
- signals
: Programming Perl, 6.2.1. Signals
- sockets
: Programming Perl, 3.2.7. bind
- statement block labels
: Perl in a Nutshell, 4.3. Statements
- subroutines
- Advanced Perl Programming, 3.3.3. Naming Anonymous Subroutines
- Learning Perl, 8.5. Private Variables in Functions
- Programming Perl, 2.3.1. Variables
- Programming Perl, 2.7. Subroutines
- translating to network addresses
- Programming Perl, 3.2.48. gethostbyname
- Programming Perl, 3.2.52. getnetbyname
- typeglobs
- Programming Perl, 2.3.6. Typeglobs and Filehandles
- Programming Perl, 2.7.1. Passing Symbol Table Entries (Typeglobs)
- usernames, passwd file entry from
: Programming Perl, 3.2.62. getpwnam
- variables
- Advanced Perl Programming, 3.2.2.3. Friendly predefined variables with aliases
- Perl in a Nutshell, 4.2.4.2. Hashes
- Programming Perl, 1.2.1. Nouns
- Programming Perl, 2.3.1. Variables
- Programming Perl, 7.2.61. Symbol - Generate Anonymous Globs; Qualify Variable Names
- Programming Perl, 7.2.76. vars - Predeclare Global Variable Names
- Programming Perl, 8.4. Programming with Style
- namespaces
- (see also packages)
- Learning Perl, 3.3. Variables
- Perl in a Nutshell, 4.2.4. Variables
- Perl in a Nutshell, 7.1. Namespaces and Packages
- creating safe
: Programming Perl, 7.2.51. Safe - Create Safe Namespaces for Evaluating Perl Code
- importing symbols into
: Advanced Perl Programming, 6.5. Importing Symbols
- privacy and
: Advanced Perl Programming, 6.4. Privacy
- working with multiple
: Advanced Perl Programming, 6.1. Basic Package
- natural languages
: Programming Perl, 1.2. Natural and Artificial Languages
- natural logarithms
: Perl Cookbook, 2.13. Taking Logarithms
- navigation web with robots
: Perl Cookbook, 20.11. Creating a Robot
- navigator object (PerlScript)
: Perl in a Nutshell, 20.1. Client-Side PerlScript
- NDBM files
: Perl Cookbook, 14.0. Introduction
- NDBM_File module
- Perl in a Nutshell, 8.109. NDBM_File
- Programming Perl, 7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs
- Programming Perl, 7.2.45. NDBM_File - Tied Access to NDBM Files
- ne (not equal to) operator
- Learning Perl, 2.4.2. Operators for Strings
- Perl in a Nutshell, 4.5.4.2. Equality operators
- Programming Perl, 8.2.1. Universal Blunders
- examples of
- Learning Perl, 1.5.4. Guessing the Secret Word
- Learning Perl on Win32 Systems, 1.6.4. Guessing the Secret Word
- nearest() (Listbox)
: Perl in a Nutshell, 18.10.2. Listbox Methods
- neat() (DBI)
: Perl in a Nutshell, Chapter 12, Reference: neat
- neat_list() (DBI)
: Perl in a Nutshell, Chapter 12, Reference: neat_list
- negation
- arithmetic (-) operator
: Programming Perl, 2.5.5. Ideographic Unary Operators
- bitwise (~) operator
: Programming Perl, 2.5.5. Ideographic Unary Operators
- logical (!) operator
: Programming Perl, 2.5.5. Ideographic Unary Operators
- of character class
: Programming Perl, 1.7.1. Quantifiers
- negative lookahead asserion
: Programming Perl, 2.4.1.4. Regular expression extensions
- nested
- data structures
- Advanced Perl Programming, B.2. Nested Data Structures
- Advanced Perl Programming, 1.3. Nested Data Structures
- SWIG and
: Advanced Perl Programming, 18.3. SWIG Features
- data structures, printed
: Programming Perl, 8.1.1. Debugger Commands
- destruction
: Programming Perl, 5.3.7. Destructors
- HTML tags
: Perl Cookbook, 20.6. Extracting or Removing HTML Tags
- lists
- Programming Perl, 4.6. A Brief Tutorial: Manipulating Lists of Lists
- Programming Perl, 4.7. Data Structure Code Examples
- loops, exiting from
: Learning Perl, 9.4. Labeled Blocks
- modules/packages
: Advanced Perl Programming, 6.6. Nesting Packages
- packages
: Programming Perl, 5.1. Packages
- subroutines
- Perl Cookbook, 10.16. Nesting Subroutines
- Learning Perl, 8.2. Invoking a User Function
- Net modules
- Perl in a Nutshell, 8.110. Net::hostent
- Perl in a Nutshell, 14. Email Connectivity
- Net::DNS module
: Perl Cookbook, 18.9. Program: expn and vrfy
- Net::FTP module
- Advanced Perl Programming, 12.6.1. Net::FTP
- Perl Cookbook, 18.2. Being an FTP Client
- Perl in a Nutshell, 16.2. Net::FTP
- Net::hostent module
: Perl in a Nutshell, 8.110. Net::hostent
- Net::netent module
: Perl in a Nutshell, 8.111. Net::netent
- Net::Netrc module
: Perl in a Nutshell, 16.3. FTP Configuration with Net::Netrc
- Net::News module
: Perl in a Nutshell, 15.2. Net::NNTP
- Net::NNTP module
: Perl Cookbook, 18.4. Reading and Posting Usenet News Messages
- Net::Ping module
- Perl Cookbook, 18.7. Pinging a Machine
- Perl in a Nutshell, 8.112. Net::Ping
- Programming Perl, 7.2.46. Net::Ping - Check Whether a Host Is Online
- Net::POP3 module
- Advanced Perl Programming, 12.6.2. Net::POP3
- Perl Cookbook, 18.5. Reading Mail with POP3
- Perl in a Nutshell, 14.1.3. Retrieving Email with Net::POP3
- Net::protoent module
: Perl in a Nutshell, 8.113. Net::protoent
- Net::servent module
: Perl in a Nutshell, 8.114. Net::servent
- Net::SMTP module
: Perl in a Nutshell, 14.1.1. Send Email with Net::SMTP
- Net::SNPP and Net::Time modules
: Perl in a Nutshell, 14. Email Connectivity
- Net::Telnet
: Perl Cookbook, 18.6. Simulating Telnet from a Program
- Net::Whois module
: Perl Cookbook, 18.8. Using Whois to Retrieve Information from the InterNIC
- net use command
: Learning Perl on Win32 Systems, 12.5. Reading a Directory Handle
- net view command
: Learning Perl on Win32 Systems, 14.6. Exercises
- NetAdmin module
- Learning Perl on Win32 Systems, B.4. Win32 Extensions
- Learning Perl on Win32 Systems, 16.1. Getting User and Machine Information
- netloc() (URI::URL)
: Perl in a Nutshell, Chapter 17, Reference: netloc
- netlock program
: Perl Cookbook, 7.21. Program: netlock
- .netrc file
: Perl in a Nutshell, 16.3. FTP Configuration with Net::Netrc
- netresource data structure
: Perl in a Nutshell, 19.11. Win32::NetResource
- NetResource module
- Learning Perl on Win32 Systems, B.4. Win32 Extensions
- Learning Perl on Win32 Systems, 12.5. Reading a Directory Handle
- Netscape history.db file
: Perl Cookbook, 14.11. Program: ggh - Grep Netscape Global History
- :netscape method group
- Learning Perl, 19.5. Less Typing
- Perl in a Nutshell, 10.2. Importing Method Groups
- NetShareAdd() (Win32::NetResource)
: Perl in a Nutshell, Chapter 19, Reference: NetShareAdd
- NetShareCheck() (Win32::NetResource)
: Perl in a Nutshell, Chapter 19, Reference: NetShareCheck
- NetShareDel() (Win32::NetResource)
: Perl in a Nutshell, Chapter 19, Reference: NetShareDel
- NetShareGetInfo() (Win32::NetResource)
: Perl in a Nutshell, Chapter 19, Reference: NetShareGetInfo
- NetShareSetInfo() (Win32::NetResource)
: Perl in a Nutshell, Chapter 19, Reference: NetShareSetInfo
- netstat
: Learning Perl on Win32 Systems, 14.3. Using Processes as Filehandles
- network addresses, translating to names
- Programming Perl, 3.2.47. gethostbyaddr
- Programming Perl, 3.2.51. getnetbyaddr
- Network News Transfer Protocol (NNTP)
: Perl in a Nutshell, 15. Usenet News
- networking
- Advanced Perl Programming, 12. Networking with Sockets
- Learning Perl on Win32 Systems, C. Networking Clients
- bidirectional communication
: Advanced Perl Programming, 12.2.3. Bidirectional Communications
- email
: Perl in a Nutshell, 14. Email Connectivity
- fetching information, function for
: Perl in a Nutshell, 5.1. Perl Functions by Category
- handling multiple clients
: Advanced Perl Programming, 12.3. Handling Multiple Clients
- IO objects and filehandles
: Advanced Perl Programming, 12.5. IO Objects and Filehandles
- RPC module
: Advanced Perl Programming, 13.2. Remote Procedure Calls (RPC)
- server administration
: Perl in a Nutshell, 19.10. Win32::NetAdmin
- servers
: Advanced Perl Programming, 12.4. Real-World Servers
- sockets
: Perl in a Nutshell, 13. Sockets
- built-in functions for
: Perl in a Nutshell, 13.1. Built-in Socket Functions
- IO::Socket module
: Perl in a Nutshell, 13.2. The IO::Socket Module
- IO::Socket::INET subclass
: Perl in a Nutshell, 13.2.4. IO::Socket::INET Reference
- IO::Socket::UNIX subclass
: Perl in a Nutshell, 13.2.5. IO::Socket::UNIX Reference
- Usenet news
: Perl in a Nutshell, 15. Usenet News
- networks file
: (see /etc/networks file)
- new()
- Perl Cookbook, 13.0. Introduction
- Learning Perl, 19.8.2. Objects in CGI.pm
- Programming Perl, 3.2.98. new
- Programming Perl, 7.2.33. FileHandle - Supply Object Methods for Filehandles
- Adaptor::DBI module
- Advanced Perl Programming, 11.2.2. Object Encapsulation
- Advanced Perl Programming, 11.3.2. Adaptor::DBI
- Adaptor::File module
: Advanced Perl Programming, 11.2.2. Object Encapsulation
- HTML modules
- HTML::Element module
: Perl in a Nutshell, 17.4.2. HTML::Element
- HTML::FormatPS module
: Perl in a Nutshell, 17.4.4. HTML::FormatPS
- HTML::Parser module
: Perl in a Nutshell, 17.4.1. HTML::Parser
- HTTP modules
- HTTP::Cookies module
: Perl in a Nutshell, 17.3.6. HTTP::Cookies
- HTTP::Cookies::Netscape module
: Perl in a Nutshell, 17.3.6.1. HTTP::Cookies::Netscape
- HTTP::Daemon module
: Perl in a Nutshell, 17.3.7. HTTP::Daemon
- HTTP::Headers module
: Perl in a Nutshell, 17.3.3. HTTP::Headers
- HTTP::Request module
: Perl in a Nutshell, 17.3.1. HTTP::Request
- HTTP::Response module
: Perl in a Nutshell, 17.3.2. HTTP::Response
- IO::Socket module
: Advanced Perl Programming, 12.5. IO Objects and Filehandles
- LWP::RobotUA module
: Perl in a Nutshell, 17.2.1. LWP::RobotUA sections
- Mail modules
- Mail::Address module
: Perl in a Nutshell, Chapter 14, Reference: new
- Mail::Folder module
: Perl in a Nutshell, Chapter 14, Reference: new
- Mail::Internet module
: Perl in a Nutshell, Chapter 14, Reference: new
- Mail::Mailer module
: Perl in a Nutshell, Chapter 14, Reference: new
- Mail::POP3Client module
: Perl in a Nutshell, Chapter 14, Reference: new
- Mail::Send module
: Perl in a Nutshell, Chapter 14, Reference: new
- Net modules
- Net::FTP module
: Perl in a Nutshell, Chapter 16, Reference: new
- Net::NNTP module
: Perl in a Nutshell, Chapter 15, Reference: new
- Net::POP3 module
: Perl in a Nutshell, Chapter 14, Reference: new
- Net::SMTP module
: Perl in a Nutshell, Chapter 14, Reference: new
- News::Newsrc module
: Perl in a Nutshell, Chapter 15, Reference: new
- URI::URL module
: Perl in a Nutshell, 17.5.2. URI::URL
- Win32 modules
- Win32::ChangeNotification module
: Perl in a Nutshell, 19.3. Win32::ChangeNotification
- Win32::Console module
: Perl in a Nutshell, 19.2. Win32::Console
- Win32::EventLog module
: Perl in a Nutshell, 19.4. Win32::Eventlog
- Win32::Internet module
- Perl in a Nutshell, 19.7. Win32::Internet
- Perl in a Nutshell, 19.7.1. General Internet Methods
- Win32::Mutex module
: Perl in a Nutshell, 19.9. Win32::Mutex
- Win32::OLE module
: Perl in a Nutshell, Chapter 19, Reference: new
- Win32::OLE::Enum module
: Perl in a Nutshell, Chapter 19, Reference: new
- Win32::OLE::Variant module
: Perl in a Nutshell, 19.18.4. Win32::OLE::Variant
- Win32::Semaphore module
: Perl in a Nutshell, 19.14. Win32::Semaphore
- Win32::Shortcut module
: Perl in a Nutshell, 19.16. Win32::Shortcut
- new_from_fd()
: Programming Perl, 7.2.33. FileHandle - Supply Object Methods for Filehandles
- new_tmpfile() (IO::File)
: Perl Cookbook, 7.5. Creating Temporary Files
- newgroups() (Net::NNTP)
: Perl in a Nutshell, Chapter 15, Reference: newgroups
- newlines
: (see line breaks; whitespace)
- anon-matching by dot and
: Learning Perl, 7.3.1. Single-Character Patterns
- boundary assertions and
: Programming Perl, 2.4.1.2. The rules of regular expression matching
- in format value, and @* field
: Learning Perl, 11.4.3. Multiline Fields
- non-matching by dot
: Learning Perl on Win32 Systems, 7.3.1. Single-Character Patterns
- removing
- Learning Perl, 2.7. <STDIN> as a Scalar Value
- Programming Perl, 1.4. Filehandles
- in string literals
: Programming Perl, 2.3.2.2. String literals
- newnews() (Net::NNTP)
: Perl in a Nutshell, Chapter 15, Reference: newnews
- news
- Perl Cookbook, 18.4. Reading and Posting Usenet News Messages
- Perl in a Nutshell, 15. Usenet News
- Net::News module
: Perl in a Nutshell, 15.2. Net::NNTP
- News::Newsrc module
: Perl in a Nutshell, 15.3. The News::Newsrc Module
- NNTP protocol
: Perl in a Nutshell, 15.1. The NNTP Protocol
- newsgroups
- listing available
: Perl in a Nutshell, 15.1. The NNTP Protocol
- Perl-related
- Learning Perl on Win32 Systems, 1.4. Support
- Perl in a Nutshell, 1.4.1. The comp.lang.perl.* Newsgroups
- Programming Perl, Usenet Newsgroups
- newsgroups() (Net::NNTP)
: Perl in a Nutshell, Chapter 15, Reference: newsgroups
- .newsrc file
: Perl in a Nutshell, 15.3. The News::Newsrc Module
- next operator
- Learning Perl, 9.2. The next Statement
- Perl in a Nutshell, Chapter 5, Reference: next
- Perl in a Nutshell, Chapter 15, Reference: next
- Perl in a Nutshell, 4.3.1.1. while loops
- Perl in a Nutshell, 4.3.1.5. Loop control
- Programming Perl, 1.6.2.4. Breaking out: next and last
- Programming Perl, 2.6.4.4. Loop control
- Programming Perl, 3.2.99. next
- example of
: Learning Perl, A.17. Chapter 18, Converting Other Languages to Perl
- next if construct
: Programming Perl, 8.3.1. Time Efficiency
- Next() (Win32::OLE::Enum)
: Perl in a Nutshell, Chapter 19, Reference: Next
- next_labeled_message() (Mail::Folder)
: Perl in a Nutshell, Chapter 14, Reference: next_labeled_message
- next_message() (Mail::Folder)
: Perl in a Nutshell, Chapter 14, Reference: next_message
- NEXTKEY function
- Advanced Perl Programming, 9.3. Tying Hashes
- Programming Perl, 5.4.3. Tying Hashes
- NFA (nondeterministic finite automata)
- Perl Cookbook, 6.0. Introduction
- Programming Perl, 2.4.1.2. The rules of regular expression matching
- $nlink file statistic
: Programming Perl, 3.2.159. stat
- nlst() (Net::FTP)
: Perl in a Nutshell, Chapter 16, Reference: nlst
- NNTP (Network News Transfer Protocol)
: Perl in a Nutshell, 15. Usenet News
- nntppost() (Mail::Internet)
: Perl in a Nutshell, Chapter 14, Reference: nntppost
- nntpstat() (Net::NNTP)
: Perl in a Nutshell, Chapter 15, Reference: nntpstat
- no declaration
- Perl in a Nutshell, Chapter 5, Reference: no
- Programming Perl, 2.6.9. Pragmas
- Programming Perl, 3.2.100. no
- no_proxy() (LWP::UserAgent)
: Perl in a Nutshell, Chapter 17, Reference: no_proxy
- no_visits() (LWP::RobotUA)
: Perl in a Nutshell, Chapter 17, Reference: no_visits
- NodeName function
: Learning Perl on Win32 Systems, 16.1. Getting User and Machine Information
- NodeName module
: Learning Perl on Win32 Systems, B.4. Win32 Extensions
- noecho input mode
: Perl Cookbook, 15.10. Reading Passwords
- NOFILE constant
: Perl Cookbook, 7.17. Caching Open Output Filehandles
- nomethod operator
: Programming Perl, 7.2.48.4. No method
- non-blocking I/O
: Perl Cookbook, 7.14. Doing Non-Blocking I/O
- non-forking servers
: Perl Cookbook, 17.13. Non-Forking Servers
- non-greedy matching
- Perl Cookbook, 6.0. Introduction
- Perl Cookbook, 6.15. Greedy and Non-Greedy Matches
- Perl in a Nutshell, 4.6.6. Quantifiers
- nondeterministic finite automata (NFA)
- Perl Cookbook, 6.0. Introduction
- Programming Perl, 2.4.1.2. The rules of regular expression matching
- none index (Menu widget)
: Perl in a Nutshell, 18.15.1. Menu Indexes
- nonforker program (example)
: Perl Cookbook, 17.13. Non-Forking Servers
- nonnblocking filehandles
: Advanced Perl Programming, 12.3.3. Nonblocking Filehandles
- NonStop option (PERLDB_OPTS)
: Perl in a Nutshell, 6.4. Customizing the Debugger
- not (!) operator
: Programming Perl, 2.5.5. Ideographic Unary Operators
- not equal to (!=) operator
: Programming Perl, 2.5.12. Equality Operators
- NOT functionality in regular expressions
: Perl Cookbook, 6.17. Expressing AND, OR, and NOT in a Single Pattern
- noTTY option (PERLDB_OPTS)
: Perl in a Nutshell, 6.4. Customizing the Debugger
- nounder_demo program (example)
: Perl Cookbook, 13.15. Creating Magic Variables with tie
- nouns
: Programming Perl, 1.2.1. Nouns
- nph() (CGI.pm)
: Perl in a Nutshell, Chapter 10, Reference: nph
- $NR variable
- Perl in a Nutshell, 4.4.1. Global Special Variables
- Programming Perl, 2.9.3. Global Special Variables
- Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
- nstore()
: Perl Cookbook, 11.13. Storing Data Structures to Disk
- NTFS file permissions
: Perl in a Nutshell, 19.6. Win32::FileSecurity
- NUL characters, and DBM accesses
: Learning Perl, 17.3. Using a DBM Hash
- null
- filehandle
- angle operator and
: Programming Perl, 2.3.7.2. Line input (angle) operator
- list
: Programming Perl, 2.3.4. List Values and Arrays
- scalars
: Programming Perl, 2.3.3.2. Boolean context
- NULLABLE attribute (DBI)
: Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles
- NUM_OF_FIELDS attribute (DBI)
: Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles
- NUM_OF_PARAMS attribute (DBI)
: Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles
- numbers
- (see also values)
- Perl Cookbook, 1.4. Converting Between ASCII Characters and Values
- Perl Cookbook, 2.0. Introduction
- Learning Perl on Win32 Systems, 2.1. What Is Scalar Data?
- Perl in a Nutshell, 4.2.1. Numbers
- Programming Perl, 2.3.2.1. Numeric literals
- adding commas to
: Perl Cookbook, 2.17. Putting Commas in Numbers
- automatic conversion to strings
: Learning Perl, 2.4.4. Conversion Between Numbers and Strings
- for commands, debugger and
: Programming Perl, 8.1.2. Using the Debugger
- comparing
- Programming Perl, 1.5.6. Comparison Operators
- Programming Perl, 6.4.2.2. a2p
- complex (imaginary)
- Perl Cookbook, 2.15. Using Complex Numbers
- Programming Perl, 7.2.44. Math::Complex - Complex Numbers Package
- converting binary with decimal
: Perl Cookbook, 2.4. Converting Between Binary and Decimal
- converting with ASCII characters
: Perl Cookbook, 1.4. Converting Between ASCII Characters and Values
- \d (digit) character class
- Learning Perl, 7.3.1. Single-Character Patterns
- Perl in a Nutshell, 4.6.4. Character Classes
- Programming Perl, 1.7. Regular Expressions
- \D (nondigit) character class
: Perl in a Nutshell, 4.6.4. Character Classes
- decimal places, controlling
: Perl Cookbook, 13.14. Overloading Operators
- definition of
: Learning Perl, 2.1. What Is Scalar Data?
- digits in names
: Programming Perl, 2.3.1. Variables
- fixed-precision numeric fields
: Perl in a Nutshell, 4.10. Formats
- floating-point
- Perl Cookbook, 2.0. Introduction
- Perl Cookbook, 2.2. Comparing Floating-Point Numbers
- Perl Cookbook, 2.3. Rounding Floating-Point Numbers
- Programming Perl, 7.2.42. Math::BigFloat - Arbitrary-Length, Floating-Point Math Package
- functions for
: Perl in a Nutshell, 5.1. Perl Functions by Category
- hexadecimal
: (see hexadecimal numbers)
- integers
- Perl Cookbook, 2.5. Operating on a Series of Integers
- Programming Perl, 7.2.38. integer - Do Arithmetic in Integer Instead of Double
- Programming Perl, 7.2.43. Math::BigInt - Arbitrary-Length Integer Math Package
- justifying by decimal point
: Programming Perl, 2.8. Formats
- large, underscore and
: Programming Perl, 2.3.2.1. Numeric literals
- line (__LINE__ token)
- Perl Cookbook, 10.4. Determining Current Function Name
- Perl in a Nutshell, 4.4.4. Global Special Constants
- Programming Perl, 2.3.2.7. Other literal tokens
- logarithms
: Perl Cookbook, 2.13. Taking Logarithms
- matrix multiplication
: Perl Cookbook, 2.14. Multiplying Matrices
- octal
: (see octal characters)
- for pages
: Programming Perl, 2.9.2. Per-Filehandle Special Variables
- plural words based on
: Perl Cookbook, 2.18. Printing Correct Plurals
- port, getting name for/from
- Programming Perl, 3.2.64. getservbyname
- Programming Perl, 3.2.65. getservbyport
- primes, calculating
: Perl Cookbook, 2.19. Program: Calculating Prime Factors
- protocol
: Programming Perl, 3.2.59. getprotobynumber
- random
- Perl Cookbook, 2.0. Introduction
- Perl Cookbook, 2.7. Generating Random Numbers
- Programming Perl, 3.2.115. rand
- Programming Perl, 3.2.158. srand
- biasing
: Perl Cookbook, 2.10. Generating Biased Random Numbers
- roman numerals
: Perl Cookbook, 2.6. Working with Roman Numerals
- sorting numerically
: Learning Perl, 15.4. Advanced Sorting
- strings as valid numbers
: Perl Cookbook, 2.1. Checking Whether a String Is a Valid Number
- trigonometry
: Perl Cookbook, 2.11. Doing Trigonometry in Degrees, not Radians
- truncating with int
: Programming Perl, 3.2.76. int
- numeric fields (in formats)
: Learning Perl, 11.4.2. Numeric Fields
- numeric operators
: Learning Perl, 2.4.1. Operators for Numbers
- NVs (doubles)
: Advanced Perl Programming, 20.3.1. Scalar Values
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