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Index: N

-name option
as command-line option: 16.1.4. Option Database Lookups (Mastering Perl/Tk)
example: 16.2. Using the Option Database (Mastering Perl/Tk)
start_helpers_calculating subroutine and: 20.2.3. Tcl/Tk Master Processor Code (Mastering Perl/Tk)
Tk::CmdLine::SetArguments and: 16.1. Using the Command Line (Mastering Perl/Tk)
-nocase option: 8.16. Marks (Mastering Perl/Tk)
-n command-line option: 7.7.3.2. Command-line options (Perl Cookbook)
16.4.1. In-place Editing from the Command Line (Learning Perl)
n command (Perl debugger): 6.2. Debugger Commands (Perl in a Nutshell)
n index
Entry widget: 21.8.1. Text Indexes (Perl in a Nutshell)
Listbox widget: 21.10.1. Listbox Indexes (Perl in a Nutshell)
Menu widget: 21.15.1. Menu Indexes (Perl in a Nutshell)
Text widget: 21.11.1. Text Indexes and Modifiers (Perl in a Nutshell)
-n (loop) command-line switch: 19.1.3. Switches (Programming Perl)
N method: 15.2.2. The Event Structure (Mastering Perl/Tk)
\n (newline) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)
\n shortcut: 1.4.2. What's Inside That Program? (Learning Perl)
within a single-quoted string: 2.3.1. Single-Quoted String Literals (Learning Perl)
Nagle's algorithm: 17.3.3. Discussion (Perl Cookbook)
naked block control structure: 10.4. The Naked Block Control Structure (Learning Perl)
name( ) (Mail::Address): 16.2.7. Mail::Address Reference (Perl in a Nutshell)
name method: 13.2.2. Name of a Widget (Mastering Perl/Tk)
20.1.1. Application Names (Mastering Perl/Tk)
name property
Attr class (DOM): 7.2.9.1. Properties (Perl & XML)
DocumentType class (DOM): 7.2.3.1. Properties (Perl & XML)
named
character, metasymbol for: 5.3.2. Specific Characters (Programming Perl)
characters, inserting: 15.2. Effects of Character Semantics (Programming Perl)
pipes: 16.3.4. Named Pipes (Programming Perl)
Glossary (Programming Perl)
named character: 2.6.2. String Literals (Programming Perl)
named parameters (CGI): 10.4. Named Parameters (Perl in a Nutshell)
named pipes: 16.11.1. Problem (Perl Cookbook)
16.22.1. Description (Perl Cookbook)
named unary operators: 2.11.3. Filename Globbing Operator (Programming Perl)
3.10. Named Unary and File Test Operators (Programming Perl)
listing of: 3.10. Named Unary and File Test Operators (Programming Perl)
named values, queries: 4.1.5. Queries (Perl & LWP)
NamedNodeMap class (DOM): 7.2.6. NamedNodeMap (Perl & XML)
names: 2.5. Names (Programming Perl)
arrays: 2.4. Variables (Programming Perl)
attributes, subroutines: 6.5.1. The locked and method Attributes (Programming Perl)
capitalization conventions: 2.5. Names (Programming Perl)
classes, distinguishing from subroutines: 12.3.4. Package-Quoted Classes (Programming Perl)
commands: 1.2.2. Verbs (Programming Perl)
Glossary (Programming Perl)
constructors: 12.4.2. Initializers (Programming Perl)
file: 2.6.8. Other Literal Tokens (Programming Perl)
for files==>filenames: 29.2.128. rename (Programming Perl)
format (see format names)
formats associated with filehandles: 7. Formats (Programming Perl)
functions: 1.2.2. Verbs (Programming Perl)
getting from network addresses: 29.2.47. gethostbyaddr (Programming Perl)
group names: 29.2.46. getgrnam (Programming Perl)
hashes: 2.4. Variables (Programming Perl)
hashes and: 5.1.1. Why Use a Hash? (Learning Perl)
hashes, storing in: 1.2.1.2. Pluralities (Programming Perl)
hostnames, translating to network addresses: 29.2.48. gethostbyname (Programming Perl)
identifiers vs.: 2.5. Names (Programming Perl)
labels and filehandles: 2.5. Names (Programming Perl)
login (see login names)
lookups of: 2.5.1. Name Lookups (Programming Perl)
methods, tied variables: 14. Tied Variables (Programming Perl)
modules: 11.1. Using Modules (Programming Perl)
capitalization in: 11.1. Using Modules (Programming Perl)
modules/packages: 24.3. Programming with Style (Programming Perl)
network addresses, getting from: 29.2.51. getnetbyaddr (Programming Perl)
of hashes: 5.2. Hash Element Access (Learning Perl)
of variables
choosing: 2.5.1. Choosing Good Variable Names (Learning Perl)
enclosed in curly braces: 2.6.1. Interpolation of Scalar Variables into Strings (Learning Perl)
packages: 10. Packages (Programming Perl)
parameters, not requiring: 6.2.1. Tricks with Parameter Lists (Programming Perl)
ports, getting from number: 29.2.64. getservbyname (Programming Perl)
program (see $0 variable)
protocols, getting from port numbers: 29.2.65. getservbyport (Programming Perl)
protocols, translating to/from numbers: 29.2.58. getprotobyname (Programming Perl)
scope, confining to: 4.8.1. Scoped Variable Declarations (Programming Perl)
signals: 16.1. Signals (Programming Perl)
subroutines: 6.1. Syntax (Programming Perl)
capitalization in: 6.1. Syntax (Programming Perl)
symbol tables: 10.1. Symbol Tables (Programming Perl)
temporary files, generating: 23.2.3. Temporary Files (Programming Perl)
translating to network addresses: 29.2.52. getnetbyname (Programming Perl)
typeglobs: 2.10. Typeglobs and Filehandles (Programming Perl)
users: 29.2.62. getpwnam (Programming Perl)
variable: 24.3. Programming with Style (Programming Perl)
variables: 1.2.1. Variable Syntax (Programming Perl)
2.4. Variables (Programming Perl)
names of current subroutines: 10.4.1. Problem (Perl Cookbook)
namespace (see packages)
encapsulation based on: 14.6. Tie Modules on CPAN (Programming Perl)
modules and: 11.2.1. Module Privacy and the Exporter (Programming Perl)
Namespace node type: 6.1. XML Trees (Perl & XML)
namespace( ) (SOAP::Lite): 14.2.1. SOAP::Lite Methods (Perl in a Nutshell)
namespaces: 4.2.5. Variables (Perl in a Nutshell)
7.1. Namespaces and Packages (Perl in a Nutshell)
2.5. Names (Programming Perl)
Glossary (Programming Perl)
1.6. XML Gotchas (Perl & XML)
2.3. Namespaces (Perl & XML)
10.1. Perl and XML Namespaces (Perl & XML)
access, restricting with Safe module: 23.3.1.1. Restricting namespace access (Programming Perl)
for packages: 1.2.1.4. Simplicities (Programming Perl)
namespaces, packages for: B.3. Packages (Learning Perl)
namespaceURI property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
name=string attribute, option element and: 5.4.11. Select Elements and Option Elements (Perl & LWP)
naming
loop labels: 4.3.1.5. Loop control (Perl in a Nutshell)
packages: 7.1. Namespaces and Packages (Perl in a Nutshell)
statement block labels: 4.3. Statements (Perl in a Nutshell)
variables: 4.2.5.2. Hashes (Perl in a Nutshell)
naming conventions: 1.5.2. Naming Conventions for Widget Types (Mastering Perl/Tk)
13.2.2. Name of a Widget (Mastering Perl/Tk)
15.4.2. Tk::ExecuteCommand (Mastering Perl/Tk)
21.2.2. Square.xs (Mastering Perl/Tk)
naming, socket: 29.2.5. bind (Programming Perl)
natural languages: 1.2. Natural and Artificial Languages (Programming Perl)
environment variables controlling Perl handling of: 19.2. Environment Variables (Programming Perl)
natural logarithms: 2.13.2. Solution (Perl Cookbook)
navigation web with robots: 20.11.1. Problem (Perl Cookbook)
NDBM files: 14.0. Introduction (Perl Cookbook)
NDBM_File module: 8.150. NDBM_File (Perl in a Nutshell)
32.1.10. DBM Interfaces (Programming Perl)
ne (not equal to) operator: 4.5.4.2. Equality operators (Perl in a Nutshell)
ne operator: 24.1.1. Universal Blunders (Programming Perl)
nearest( ) (Listbox): 21.10.2. Listbox Methods (Perl in a Nutshell)
nearest method: 7.16. Finding an Index by y Coordinate (Mastering Perl/Tk)
18.4.2. HList Methods (Mastering Perl/Tk)
near_url( ) function: 12.3.2. Overall Design in the Spider (Perl & LWP)
neat( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
neat_list( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
negating shortcuts: 8.1.2. Negating the Shortcuts (Learning Perl)
negation
arithmetic (-)operator: 3.5. Ideographic Unary Operators (Programming Perl)
bitwise (~) operator: 3.5. Ideographic Unary Operators (Programming Perl)
character classes: 5.4.1. Custom Character Classes (Programming Perl)
5.4.2. Classic Perl Character Class Shortcuts (Programming Perl)
logical (!) operator: 3.5. Ideographic Unary Operators (Programming Perl)
of character class: 1.7.1. Quantifiers (Programming Perl)
POSIX character classes: 5.4.4. POSIX-Style Character Classes (Programming Perl)
negation (not) operator (!): 2.7.1. Boolean Values (Learning Perl)
10.1. The unless Control Structure (Learning Perl)
10.9.3. Control Structures Using Partial-Evaluation Operators (Learning Perl)
negation operator (!), overloading: 13.3. Overloadable Operators (Programming Perl)
negative array indices: 3.2. Special Array Indices (Learning Perl)
negative array subscripts, counting from end of array: 24.1.5. Previous Perl Traps (Programming Perl)
negative lookahead assertions: 5.9.4. The Little Engine That /Could(n't)?/ (Programming Perl)
5.10.1. Lookaround Assertions (Programming Perl)
negative subscripts in Perl: 2.3. Built-in Data Types (Programming Perl)
neko: 17.2. Methods Common to All Image Types (Mastering Perl/Tk)
17.10. tkneko—Animating the Neko on a Canvas (Mastering Perl/Tk)
nested
arrays: 9.1. Arrays of Arrays (Programming Perl)
data structures, printed: 20.2.4. Display (Programming Perl)
destruction: 12.6. Instance Destructors (Programming Perl)
lists: 9.1. Arrays of Arrays (Programming Perl)
nested data structures: 1.2.1.3. Complexities (Programming Perl)
nested HTML tags: 20.6.3. Discussion (Perl Cookbook)
nested structures, regular expressions and: 6.4. When Regular Expressions Aren't Enough (Perl & LWP)
nested subroutines: 10.16.1. Problem (Perl Cookbook)
8.3.7.2. Nested subroutines (Programming Perl)
Net modules: 8.151. Net::Cmd (Perl in a Nutshell)
16. Email Connectivity (Perl in a Nutshell)
Net::Cmd module: 8.151. Net::Cmd (Perl in a Nutshell)
Net::Config module: 8.152. Net::Config (Perl in a Nutshell)
Net::Domain module: 8.153. Net::Domain (Perl in a Nutshell)
Net::FTP module\: 18.2. Net::FTP (Perl in a Nutshell)
Net::hostent module: 8.155. Net::hostent (Perl in a Nutshell)
Net::netent module: 8.156. Net::netent (Perl in a Nutshell)
Net::Netrc module: 8.157. Net::Netrc (Perl in a Nutshell)
18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
Net::News module: 17.2. Net::NNTP (Perl in a Nutshell)
Net::NNTP module: 8.158. Net::NNTP (Perl in a Nutshell)
Net::Ping module: 8.159. Net::Ping (Perl in a Nutshell)
Net::POP3 module: 8.160. Net::POP3 (Perl in a Nutshell)
16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
Net::protoent module: 8.161. Net::protoent (Perl in a Nutshell)
Net::servent module: 8.162. Net::servent (Perl in a Nutshell)
Net::SMTP module: 8.163. Net::SMTP (Perl in a Nutshell)
16.1.1. Send Email with Net::SMTP (Perl in a Nutshell)
Net::SNPP and Net::Time modules: 16. Email Connectivity (Perl in a Nutshell)
Net::Time module: 8.164. Net::Time (Perl in a Nutshell)
Net::DNS module: 18.9. Program: expn and vrfy (Perl Cookbook)
Net::FTP module: 18.2.1. Problem (Perl Cookbook)
Net::hostent module: 29.2.49. gethostent (Programming Perl)
32.1.8. Networking and Interprocess Communication (Programming Perl)
Class::Struct, using to create objects and accesors: 32.6. Class::Struct (Programming Perl)
Net::LDAP: 19. Lightweight Directory Access with Net::LDAP (Perl in a Nutshell)
directory, adding entries to: 19.3. Adding an Entry to the Directory with Net::LDAP (Perl in a Nutshell)
methods: 19.4. Net::LDAP Methods (Perl in a Nutshell)
searching LDAP: 19.2. Searching an LDAP Directory with Net::LDAP (Perl in a Nutshell)
netloc( ) (URI::URL): 20.5.3. URI::URL (Perl in a Nutshell)
netlock program: 7.21. Program: netlock (Perl Cookbook)
Net::netent module: 29.2.51. getnetbyaddr (Programming Perl)
32.1.8. Networking and Interprocess Communication (Programming Perl)
netnews: 22.1. The CPAN modules Directory (Programming Perl)
(see also Usenet)
Net::NNTP module: 18.4.1. Problem (Perl Cookbook)
Net::Ping module: 32.1.8. Networking and Interprocess Communication (Programming Perl)
Net::POP3 module: 18.5.1. Problem (Perl Cookbook)
Net::proto module: 29.2.59. getprotobynumber (Programming Perl)
Net::protoent module: 32.1.8. Networking and Interprocess Communication (Programming Perl)
.netrc file: 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
netresource data structure: 22.11. Win32::NetResource (Perl in a Nutshell)
Netscape: 9.2.1. Introduction to RSS (Perl & XML)
Netscape, API for C language plug-ins: 22.2. The PerlPlus Browser Plug-in (Mastering Perl/Tk)
Netscape history.db file: 14.11. Program: ggh—Grep Netscape Global History (Perl Cookbook)
Netscape, imitating in headline detector: 11.2.1. Pretending to Be Netscape (Perl & LWP)
:netscape method group: 10.2. Importing Method Groups (Perl in a Nutshell)
Net::servent module: 32.1.8. Networking and Interprocess Communication (Programming Perl)
NetShareAdd( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
NetShareCheck( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
NetShareDel( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
NetShareGetInfo( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
NetShareSetInfo( ) (Win32::NetResource): 22.11. Win32::NetResource (Perl in a Nutshell)
Net::SMTP module: B.5.8. The Net::SMTP Module (Learning Perl)
Net::Telnet: 18.6.1. Problem (Perl Cookbook)
Net::Whois module: 18.8.1. Problem (Perl Cookbook)
network load: 1.4.1. Network and Server Load (Perl & LWP)
Network News Transfer Protocol (NNTP): 17. Usenet News (Perl in a Nutshell)
networking: B.13. Networking and IPC (Learning Perl)
clients: 16.5.1. Networking Clients (Programming Perl)
connections (between client and server): Glossary (Programming Perl)
email: 16. Email Connectivity (Perl in a Nutshell)
fetching information, function for: 5.1. Perl Functions by Category (Perl in a Nutshell)
modules for: 32.1.8. Networking and Interprocess Communication (Programming Perl)
modules implementing network protocols: 22.1. The CPAN modules Directory (Programming Perl)
network addresses
translating to names: 29.2.51. getnetbyaddr (Programming Perl)
network addresses, translating into names: 29.2.47. gethostbyaddr (Programming Perl)
network filesystems (see NFS)
network information, functions for retrieving: 29.1. Perl Functions by Category (Programming Perl)
server administration: 22.10. Win32::NetAdmin (Perl in a Nutshell)
servers: 16.5.2. Networking Servers (Programming Perl)
services, Perl module for interacting with: 22.1. The CPAN modules Directory (Programming Perl)
sockets: 15. Sockets (Perl in a Nutshell)
built-in functions for: 15.1. Built-in Socket Functions (Perl in a Nutshell)
IO::Socket module: 15.2. The IO::Socket Module (Perl in a Nutshell)
IO::Socket::INET subclass: 15.2.4. IO::Socket::INET Reference (Perl in a Nutshell)
IO::Socket::UNIX subclass: 15.2.5. IO::Socket::UNIX Reference (Perl in a Nutshell)
Usenet news: 17. Usenet News (Perl in a Nutshell)
Win32 network modules: 32.1.20. Microsoft-Related Modules (Programming Perl)
networking modules: 16.5. Sockets (Programming Perl)
networks file (see /etc/networks file)
networks, sockets and: 19. Interprocess Communicationwith Pipes and Sockets (Mastering Perl/Tk)
new( )
13.0.2. Methods (Perl Cookbook)
Data::Dumper: 8.50. Data::Dumper (Perl in a Nutshell)
Digest::MD5 module: 8.58. Digest::MD5 (Perl in a Nutshell)
DirHandle module: 8.59. DirHandle (Perl in a Nutshell)
HTML::Element module: 20.4.3. HTML::Element (Perl in a Nutshell)
HTTP::Cookies module: 20.3.6. HTTP::Cookies (Perl in a Nutshell)
HTTP::Cookies::Netscape module: 20.3.6.1. HTTP::Cookies::Netscape (Perl in a Nutshell)
HTTP::Daemon module: 20.3.7. HTTP::Daemon (Perl in a Nutshell)
HTTP::Headers module: 20.3.3. HTTP::Headers (Perl in a Nutshell)
HTTP::Request module: 20.3.1. HTTP::Request (Perl in a Nutshell)
HTTP::Response module: 20.3.2. HTTP::Response (Perl in a Nutshell)
LWP::RobotUA module: 20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)
Mail::Address module: 16.2.7. Mail::Address Reference (Perl in a Nutshell)
Mail::Folder module: 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
Mail::Internet module: 16.2.5. Mail::Internet Reference (Perl in a Nutshell)
Mail::Mailer module: 16.2.1. Send Email with Mail::Mailer (Perl in a Nutshell)
Mail::Send module: 16.2.2. Better Header Control with Mail::Send (Perl in a Nutshell)
Net::FTP module: 18.2. Net::FTP (Perl in a Nutshell)
Net::LDAP: 19.4. Net::LDAP Methods (Perl in a Nutshell)
Net::NNTP module: 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
Net::POP3 module: 16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
Net::SMTP module: 16.1.2.1. Net::SMTP methods (Perl in a Nutshell)
News::Newsrc module: 17.3.1. News::Newsrc Reference (Perl in a Nutshell)
SOAP::Lite: 14.2.1. SOAP::Lite Methods (Perl in a Nutshell)
URI::URL module: 20.5.3. URI::URL (Perl in a Nutshell)
Win32::ChangeNotify module: 22.3. Win32::ChangeNotify (Perl in a Nutshell)
Win32::Console module: 22.2. Win32::Console (Perl in a Nutshell)
Win32::Internet module: 22.7. Win32::Internet (Perl in a Nutshell)
22.7.1. General Internet Methods (Perl in a Nutshell)
Win32::OLE module: 23.1. Creating Objects (Perl in a Nutshell)
Win32::OLE::Enum module: 23.3.1. Win32::OLE::Enum Methods (Perl in a Nutshell)
Win32::OLE::Variant module: 23.4. Win32::OLE::Variant (Perl in a Nutshell)
Win32::Pipe module: 22.13. Win32::Pipe (Perl in a Nutshell)
XML::Parser module: 13.2. XML::Parser Methods (Perl in a Nutshell)
new( ) construction, user agents and: 3.4. User Agents (Perl & LWP)
new( ) constructor: 4.1.1. Constructors (Perl & LWP)
new( ) method, HTTP::Cookies: 11.1.2. Loading Cookies from a File (Perl & LWP)
new( ) XML::SAX::ParserFactory class method: 5.7.1. XML::SAX::ParserFactory (Perl & XML)
.new files, renaming from .old files: 13.2. Renaming Files (Learning Perl)
new method: 17.2.1.1. Thread creation (Programming Perl)
29.2.100. new (Programming Perl)
New York Times site cookies example: 11.1.4. Cookies and the New York Times Site (Perl & LWP)
new_abs( ) method: 4.4. Converting Relative URLs to Absolute (Perl & LWP)
new_from_lol( ) constructor: 10.5.2. New Nodes from Lists (Perl & LWP)
newgroups( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
newline: 2.2. Molecules (Programming Perl)
newline characters (see line breaks)
newlines (see line breaks; whitespace)
blank lines, truth values and: 1.6.2.1. The while and until statements (Programming Perl)
chomp function, deleting with: 29.2.11. chomp (Programming Perl)
dot (.) metacharacter, matching: 5.3.3. Wildcard Metasymbols (Programming Perl)
in filenames, security risks of: 23.1.2. Cleaning Up Your Environment (Programming Perl)
Perl program portability and: 25.1. Newlines (Programming Perl)
print function and: 6.4. Output to Standard Output (Learning Perl)
regular expressions and: 6.2.3. Embedded Newlines (Perl & LWP)
removing: 1.4. Filehandles (Programming Perl)
in string literals: 2.6.2. String Literals (Programming Perl)
strings containing, matches against: 5.2.1. Pattern Modifiers (Programming Perl)
trailing
chomp operator for removing: 2.9. The chomp Operator (Learning Perl)
die function and: 11.3. Fatal Errors with die (Learning Perl)
newnews( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
news: 17. Usenet News (Perl in a Nutshell)
Net::News module: 17.2. Net::NNTP (Perl in a Nutshell)
News::Newsrc module: 17.3. The News::Newsrc Module (Perl in a Nutshell)
NNTP protocol: 17.1. The NNTP Protocol (Perl in a Nutshell)
news messages (Usenet): 18.4.1. Problem (Perl Cookbook)
news service, LWP support for: 22.1. Library for WWW Access in Perl (Mastering Perl/Tk)
newsgroups: 0.6.2. Usenet Newsgroups (Programming Perl)
listing available: 17.1. The NNTP Protocol (Perl in a Nutshell)
Perl-related: 1.4.1. The comp.lang.perl.* Newsgroups (Perl in a Nutshell)
newsgroups for Perl: 1.3.3. Are There Any Other Kinds of Support? (Learning Perl)
newsgroups( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
News::Newsrc module: 17.3. The News::Newsrc Module (Perl in a Nutshell)
newspaper information cookie example: 11.1.4. Cookies and the New York Times Site (Perl & LWP)
.newsrc file: 17.3. The News::Newsrc Module (Perl in a Nutshell)
new_tmpfile( ) (IO::File): 7.5.2. Solution (Perl Cookbook)
next, used in a do while: 4.5. Bare Blocks (Programming Perl)
next command: 4.3.1.5. Loop control (Perl in a Nutshell)
do {} while construct, not taking: 24.1.3. C Traps (Programming Perl)
next operator: 10.8.2. The next Operator (Learning Perl)
1.6.2.4. Breaking out: next and last (Programming Perl)
4.4.1. while and until Statements (Programming Perl)
4.4.4. Loop Control (Programming Perl)
4.4.4. Loop Control (Programming Perl)
29.2.101. next (Programming Perl)
exiting once-through blocks with: 4.5. Bare Blocks (Programming Perl)
next if construct: 24.2.1. Time Efficiency (Programming Perl)
Next( ) (Win32::OLE::Enum): 23.3.1. Win32::OLE::Enum Methods (Perl in a Nutshell)
next_labeled_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
next_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
next_scheduled_url( ) function: 12.3.2. Overall Design in the Spider (Perl & LWP)
nextSibling property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
NFA (non-deterministic finite automata): 6.0.1. The Tricky Bits (Perl Cookbook)
NFA (nondeterministic finite-state automaton): 5.9.4. The Little Engine That /Could(n't)?/ (Programming Perl)
NFS (network filesystems): Glossary (Programming Perl)
limitations of: 16.5. Sockets (Programming Perl)
Nguyen, Phivu: 13.21.1. File Events (Mastering Perl/Tk)
Nijtman, Jan: 1.2.4. Perl/Tk Meets Win32 (Mastering Perl/Tk)
9.5.1. Common Canvas Dash, Stipple, and Tile Options (Mastering Perl/Tk)
$nlink file statistic: 29.2.165. stat (Programming Perl)
$nlink (number of links): 11.6.1. The stat and lstat Functions (Learning Perl)
nlst( ) (Net::FTP): 18.2. Net::FTP (Perl in a Nutshell)
nmake program: 14.6.2. Packaging for PPM (Mastering Perl/Tk)
\N{name} (named character value) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)
\NNN metasymbol: 5.3.2. Specific Characters (Programming Perl)
NNTP (Network News Transfer Protocol): 17. Usenet News (Perl in a Nutshell)
nntppost( ) (Mail::Internet): 16.2.5. Mail::Internet Reference (Perl in a Nutshell)
nntpstat( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
no( ): 5. Function Reference (Perl in a Nutshell)
no declaration: 11.1. Using Modules (Programming Perl)
29.2.102. no (Programming Perl)
no declarations: 4.7. Global Declarations (Programming Perl)
4.9. Pragmas (Programming Perl)
14.1.3. Magically Banishing $_ (Programming Perl)
node( ) method in XPath: 8.2. XPath (Perl & XML)
Node class (DOM): 7.1. DOM and Perl (Perl & XML)
7.2.4. Node (Perl & XML)
7.3. XML::DOM (Perl & XML)
7.4. XML::LibXML (Perl & XML)
NodeList class (DOM): 7.2.5. NodeList (Perl & XML)
nodeName property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
nodes
attributes: 9.3.2. Attributes of a Node (Perl & LWP)
callbacks: 9.3.3. Traversing (Perl & LWP)
creating from lists: 10.5.2. New Nodes from Lists (Perl & LWP)
deleting: 10.2. Deleting Images (Perl & LWP)
detaching/reattaching, HTML::Element: 10.3. Detaching and Reattaching (Perl & LWP)
traversal: 9.3.3. Traversing (Perl & LWP)
trees: 9.1. Introduction to Trees (Perl & LWP)
XML trees: 6.1. XML Trees (Perl & XML)
XPath: 8.2. XPath (Perl & XML)
nodeType property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
nodeValue property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
noecho input mode: 15.10.1. Problem (Perl Cookbook)
no_entry image: 18.5. Tix Images (Mastering Perl/Tk)
NOFILE constant: 7.17.3. Discussion (Perl Cookbook)
nomethod overloading key: 13.5. When an Overload Handler Is Missing (nomethod and fallback) (Programming Perl)
non-blocking I/O: 7.14.1. Problem (Perl Cookbook)
non-deterministic finite automata: 6.0.1. The Tricky Bits (Perl Cookbook)
non-forking servers: 17.13.1. Problem (Perl Cookbook)
non-greedy matching: 4.6.6. Quantifiers (Perl in a Nutshell)
non-greedy pattern matching: 6.0.1. The Tricky Bits (Perl Cookbook)
6.15.1. Problem (Perl Cookbook)
nonbacktracking subpatterns: 5.10.2. Nonbacktracking Subpatterns (Programming Perl)
nondecimal integer literals: 2.2.4. Nondecimal Integer Literals (Learning Perl)
nondeterministic finite-state automaton (NFA): 5.9.4. The Little Engine That /Could(n't)?/ (Programming Perl)
none index (Menu widget): 21.15.1. Menu Indexes (Perl in a Nutshell)
none keyword: 12.1.2. Menu Indexes (Mastering Perl/Tk)
nonforker program (example): 17.13.2. Solution (Perl Cookbook)
noninteractive mode, putting debugger in: 20.4. Unattended Execution (Programming Perl)
nonpaired delimiters: 9.1. Matches with m// (Learning Perl)
NonStop option (PERLDB_OPTS): 6.4. Customizing the Debugger (Perl in a Nutshell)
NoOp subroutine: 23.1.3. Optionally Exported Symbols (Mastering Perl/Tk)
no_proxy( ) method: 3.4.6. Proxies (Perl & LWP)
no_proxy( ) (LWP::UserAgent): 20.2.3. LWP::UserAgent (Perl in a Nutshell)
NORMAL_BG color: 23.1.3. Optionally Exported Symbols (Mastering Perl/Tk)
normalize method for Element node: 7.2.8.2. Methods (Perl & XML)
NOS/VE operating system: 1.2.2. The Coming of Tcl/Tk (Mastering Perl/Tk)
not (!) operator: 3.5. Ideographic Unary Operators (Programming Perl)
not equal to (!=) operator: 3.12. Equality Operators (Programming Perl)
NOT functionality in regular expressions: 6.17.1. Problem (Perl Cookbook)
not operator (see negation operator)
Notation class (DOM): 7.2.16. Notation (Perl & XML)
notation for DocumentType class (DOM): 7.2.3.1. Properties (Perl & XML)
Notation handler (Expat): 13.3. Expat Handlers (Perl in a Nutshell)
notational convenience, tied arrays: 14.2.2. Notational Convenience (Programming Perl)
notation_decl method for PerlSAX DTD handlers: 5.2. DTD Handlers (Perl & XML)
notationName property for Entity node: 7.2.15.1. Properties (Perl & XML)
NoteBook widget: 23.8. The NoteBook Widget (Mastering Perl/Tk)
note_error_response( ) function: 12.3.3. HEAD Response Processing (Perl & LWP)
noTTY option (PERLDB_OPTS): 6.4. Customizing the Debugger (Perl in a Nutshell)
nounder_demo program (example): 13.15.4. Tie Example: Outlaw $_ (Perl Cookbook)
nouns: 1.2. Natural and Artificial Languages (Programming Perl)
packages, handling of: 1.2.1.4. Simplicities (Programming Perl)
novice programmers, common mistakes of: 24.1. Common Goofs for Novices (Programming Perl)
no_visits( ) (LWP::RobotUA): 20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)
$now variable: 14.4. Using Backquotes to Capture Output (Learning Perl)
nph( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
NPR Fresh Air data extraction walkthrough: 8.1. The Problem (Perl & LWP)
$NR variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
nstore( ): 11.13.3. Discussion (Perl Cookbook)
NTFS file permissions: 22.6. Win32::FileSecurity (Perl in a Nutshell)
nTk (Perl): 1.2.3. The Evolution of Perl/Tk (Mastering Perl/Tk)
NUL character: 2.3. Strings (Learning Perl)
DBM hashes and: 16.1.2. Using a DBM Hash (Learning Perl)
null
filehandle ;angle operator and: 2.11.2. Line Input (Angle) Operator (Programming Perl)
list: 2.8. List Values and Arrays (Programming Perl)
values: Glossary (Programming Perl)
null device, Unix: 14.4.2. Creative Filehandles (Programming Perl)
null list, assigning to arrays: 2.8.2. Array Length (Programming Perl)
null values ("" or 0): 1.2.1.1. Singularities (Programming Perl)
number, line (see __LINE__ token)
number width: 25.2. Endianness and Number Width (Programming Perl)
numberChanges method: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
numbered variables: 28.2. Special Variables in Alphabetical Order (Programming Perl)
numbers: 1.4.1. Problem (Perl Cookbook)
2.0. Introduction (Perl Cookbook)
2.2. Numbers (Learning Perl)
2.2. Numbers (Learning Perl)
4.2.1. Numbers (Perl in a Nutshell)
1.2.1. Variable Syntax (Programming Perl)
adding commas to: 2.17.1. Problem (Perl Cookbook)
arrays, storing in: 1.2.1.2. Pluralities (Programming Perl)
bitwise operators, working with: 3.13. Bitwise Operators (Programming Perl)
comma-separated: 8.2. General Quantifiers (Learning Perl)
command (see command history, debugger and)
commas, inserting into: 7.1. Format Variables (Programming Perl)
comparison operators for: 2.6.3. Comparison Operators (Learning Perl)
1.5.6. Some Numeric and String Comparison Operators (Programming Perl)
complex (imaginary): 2.15.1. Problem (Perl Cookbook)
complex/imaginary and: B.9.2. Imaginary and Complex Numbers (Learning Perl)
converted automatically to strings: 2.3.4. Automatic Conversion Between Numbers and Strings (Learning Perl)
converting binary with decimal: 2.4.1. Problem (Perl Cookbook)
converting nonnumeric variables to: 13.3. Overloadable Operators (Programming Perl)
converting with ASCII characters: 1.4.1. Problem (Perl Cookbook)
\D (nondigit) character class: 4.6.4. Character Classes (Perl in a Nutshell)
d for digit=\d (for digit): 1.7. Regular Expressions (Programming Perl)
decimal places, controlling: 13.14.5. Example: Overloaded FixNum Class (Perl Cookbook)
digits in names: 2.5. Names (Programming Perl)
fixed-precision numeric fields: 4.12. Formats (Perl in a Nutshell)
floating-point (see floating-point numbers)
Glossary (Programming Perl)
comparing: 2.2.1. Problem (Perl Cookbook)
rounding: 2.3.1. Problem (Perl Cookbook)
functions dealing with: 29.1. Perl Functions by Category (Programming Perl)
functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
hexadecimal: 2.6.1. Numeric Literals (Programming Perl)
29.2.73. hex (Programming Perl)
hexadecimal, converting to: 5.2.3. The s/// Operator (Substitution) (Programming Perl)
high-precision/large: B.9.3. Large and High-Precision Numbers (Learning Perl)
integers (see integers)
justifying by decimal point: 7. Formats (Programming Perl)
large, underscore and: 2.6.1. Numeric Literals (Programming Perl)
logarithms: 2.13.1. Problem (Perl Cookbook)
matrix multiplication: 2.14.1. Problem (Perl Cookbook)
octal: 2.6.1. Numeric Literals (Programming Perl)
29.2.103. oct (Programming Perl)
octal and hexadecimal: 2.16.1. Problem (Perl Cookbook)
operating on integer series: 2.5.1. Problem (Perl Cookbook)
for pages: 28.2. Special Variables in Alphabetical Order (Programming Perl)
plural words based on: 2.18.1. Problem (Perl Cookbook)
port, getting name for: 29.2.64. getservbyname (Programming Perl)
ports, getting protocol names from: 29.2.65. getservbyport (Programming Perl)
primes, calculating: 2.19. Program: Calculating Prime Factors (Perl Cookbook)
protocol: 29.2.59. getprotobynumber (Programming Perl)
random: 2.0. Introduction (Perl Cookbook)
2.7.1. Problem (Perl Cookbook)
29.2.119. rand (Programming Perl)
29.2.164. srand (Programming Perl)
biasing: 2.10.1. Problem (Perl Cookbook)
roman numerals: 2.6.1. Problem (Perl Cookbook)
spaceship operator for comparing: 15.4. Advanced Sorting (Learning Perl)
sprintf function for: 15.3.1. Using sprintf with "Money Numbers" (Learning Perl)
strings as valid numbers: 2.1.1. Problem (Perl Cookbook)
strings, converting to: 2.6. Scalar Values (Programming Perl)
trigonometry: 2.11.1. Problem (Perl Cookbook)
truncating with int: 29.2.76. int (Programming Perl)
truth values of: 1.6.1. What Is Truth? (Programming Perl)
typing in Perl: 2.6. Scalar Values (Programming Perl)
width of: 25.2. Endianness and Number Width (Programming Perl)
numeric character entities: 2.5. Entities (Perl & XML)
numeric comparison operators: 2.6.3. Comparison Operators (Learning Perl)
numeric context: 2.7.1. Scalar and List Context (Programming Perl)
Glossary (Programming Perl)
numeric literals: 2.6.1. Numeric Literals (Programming Perl)
numeric operators: 2.2.5. Numeric Operators (Learning Perl)
numeric user-ID (see user-ID, numeric)
NV (internal double value): 21.2. Internal Data Types (Programming Perl)


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