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Index: U

U (uppercase) characters: 4.6.4. Character Classes

u command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module

-u file test operator: 4.5.8. File Test Operators

-u option (dprofpp): 6.5. The Perl Profiler

uc( ): 5. Function Reference

ucfirst( ): 5. Function Reference

$UID ($<) variable: 4.4.1. Global Special Variables

uidl( ) (Net::POP3): 16.1.3. Retrieving Email with Net::POP3

umask( ): 5. Function Reference

unary operators: 4.5.2. Unary Operators

unbind method (Net::LDAP): 19.4. Net::LDAP Methods

uncompress command: 2.3.1. Installing on Unix

uncompressing Perl source code: 2.3.2.2. Standard Perl distribution

undef( ): 5. Function Reference

undef value: 4.2.5. Variables

undelete_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder

-underline option (widgets): 21.3. Common Widget Configuration Options

underscore (_)

filehandle: 4.4.3. Global Special Filehandles

improving number legibility: 4.2.1. Numbers

unescape_from( ) (Mail::Internet): 16.2.5. Mail::Internet Reference

unicode: 4.11. Unicode

unique_name( ) (Net::FTP): 18.2. Net::FTP

UNIVERSAL module: 8.228. UNIVERSAL

Unix-domain sockets: 15. Sockets

Unix systems

#! (shebang) line: 3. The Perl Executable

command processing: 3.1. Command Processing

installing Perl on: 2.3.1. Installing on Unix

unless modifier: 4.3.1.4. Modifiers

unless statement: 4.3.1. Conditionals and Loops

unlink( ): 5. Function Reference

unmark( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

unmarked_articles( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

unmark_list( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

unmark_range( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

unpack( ): 5. Function Reference

unpacking Perl source code: 2.3.2.2. Standard Perl distribution

unpack_sockaddr_in( ) (Socket): 15.1.4. Socket Module Functions

unpack_sockaddr_un( ) (Socket): 15.1.4. Socket Module Functions

Unparsed handler (Expat): 13.3. Expat Handlers

unpost( ) (Menu widget): 21.15.2. Menu Methods

unshift( ): 5. Function Reference

unsub_groups( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

unsubscribe( ) (News::Newsrc): 17.3.1. News::Newsrc Reference

untie( ): 5. Function Reference

until modifier: 4.3.1.4. Modifiers

until statement: 4.3.1.1. while loops

update_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder

URI modules: 20.5. The URI Module

URI::Escape: 20.5. The URI Module

URI::Heuristic: 20.5. The URI Module

URI::URL: 20.5.3. URI::URL

URI::URL module: 20.1. LWP Overview

uri( ) (SOAP::Lite): 14.2. SOAP::Lite

URIs (Universal Resource Identifiers): 20.1. LWP Overview

url( )

CGI.pm module: 10.7. CGI.pm Reference

HTTP::Daemon module: 20.3.7. HTTP::Daemon

HTTP::Request module: 20.3.1. HTTP::Request

urllist parameter, CPAN configuration table: 8.46.4. CD-ROM Support

URLs (uniform resource locators): 22.7.1. General Internet Methods

encoding: 9.2. URL Encoding

extra path information: 9.3. Extra Path Information

URI::URL module: 20.1. LWP Overview

20.5.3. URI::URL

use directives: 7. Packages,Modules, and Objects

7.2. Modules

use_alarm( ) (LWP::UserAgent): 20.2.3. LWP::UserAgent

use_named_parameters( ) (CGI.pm): 10.7. CGI.pm Reference

Usenet news: 17. Usenet News

Net::News module: 17.2. Net::NNTP

News::Newsrc module: 17.3. The News::Newsrc Module

Usenet newsgroups, Perl-related: 1.4.1. The comp.lang.perl.* Newsgroups

use( ): 5. Function Reference

USER command (POP3): 16.1.3. Retrieving Email with Net::POP3

User::grent module: 8.229. User::grent

User::pwent module: 8.230. User::pwent

user_agent( ) (CGI.pm): 10.7. CGI.pm Reference

UserAgent object: 20.1. LWP Overview

20.2. The LWP Modules

20.2.3. LWP::UserAgent

UserAgent( ) (Win32::Internet): 22.7.1. General Internet Methods

UserCreate( ) (Win32::NetAdmin): 22.10. Win32::NetAdmin

user_name( ) (CGI.pm): 10.7. CGI.pm Reference

Username( ) (Win32::Internet): 22.7.1. General Internet Methods

users, fetching information on: 5.1. Perl Functions by Category

use_sleep( ) (LWP::RobotUA): 20.2.1. LWP::RobotUA Sections

utf8 module: 8.231. utf8

utime( ): 5. Function Reference

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