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Index: U
- u command (CPAN.pm)
: Chapter 2, Reference: u
- -u file test operator : 4.5.8. File Test Operators
- -U option (dprofpp) : 6.5. The Perl Profiler
- -u option (dprofpp) : 6.5. The Perl Profiler
- -u option (perl) : 3.2. Command-Line Options
- -U option (perl) : 3.2. Command-Line Options
- uc() : Chapter 5, Reference: uc
- ucfirst() : Chapter 5, Reference: ucfirst
- $UID ($<) variable : 4.4.1. Global Special Variables
- uidl() (Net::POP3) : Chapter 14, Reference: uidl
- umask() : Chapter 5, Reference: umask
- unary operators : 4.5.2. Unary Operators
- uncompressing Perl source code
- -u file test operator : 4.5.8. File Test Operators
- undef value
: 4.2.4. Variables
- undef() : Chapter 5, Reference: undef
- undelete_message() (Mail::Folder) : Chapter 14, Reference: undelete_message
- -underline option (widgets) : 18.3. Common Widget Configuration Options
- underscore (_)
- undef() : Chapter 5, Reference: undef
- filehandle
: 4.4.3. Global Special Filehandles
- improving number legibility : 4.2.1. Numbers
- filehandle
: 4.4.3. Global Special Filehandles
- undump program
: 3.2. Command-Line Options
- unescape_from() (Mail::Internet) : Chapter 14, Reference: unescape_from
- unique_name() (Net::FTP) : Chapter 16, Reference: unique_name
- UNIVERSAL module : 8.163. UNIVERSAL
- Unix-domain sockets : 13. Sockets
- Unix systems
- unescape_from() (Mail::Internet) : Chapter 14, Reference: unescape_from
- #! (shebang) line
: 3. The Perl Interpreter
- command processing : 3.1. Command Processing
- installing Perl on : 2.3.1. Installing on Unix
- command processing : 3.1. Command Processing
- #! (shebang) line
: 3. The Perl Interpreter
- unless modifier
: 4.3.1.4. Modifiers
- unless statement : 4.3.1. Conditionals and Loops
- unlink() : Chapter 5, Reference: unlink
- unmark() (News::Newsrc) : Chapter 15, Reference: unmark
- unmark_list() (News::Newsrc) : Chapter 15, Reference: unmark_list
- unmark_range() (News::Newsrc) : Chapter 15, Reference: unmark_range
- unmarked_articles() (News::Newsrc) : Chapter 15, Reference: unmarked_articles
- unpack() : Chapter 5, Reference: unpack
- unpack_sockaddr_in() (Socket) : Chapter 13, Reference: unpack_sockaddr_in
- unpack_sockaddr_un() (Socket) : Chapter 13, Reference: unpack_sockaddr_un
- unpacking Perl source code
- unless statement : 4.3.1. Conditionals and Loops
- unpost() (Menu widget)
: 18.15.2. Menu Methods
- unsafe operations, allowing : 3.2. Command-Line Options
- unshift() : Chapter 5, Reference: unshift
- unsub_groups() (News::Newsrc) : Chapter 15, Reference: unsub_groups
- unsubscribe() (News::Newsrc) : Chapter 15, Reference: unsubscribe
- untie() : Chapter 5, Reference: untie
- until modifier : 4.3.1.4. Modifiers
- until statement : 4.3.1.1. while loops
- update_message() (Mail::Folder) : Chapter 14, Reference: update_message
- URI modules : 17.5. The URI Module
- unsafe operations, allowing : 3.2. Command-Line Options
- URI::Escape
: 17.5. The URI Module
- URI::Heuristic : 17.5. The URI Module
- URI::URL : 17.5.2. URI::URL
- URI::URL module : 17.1. LWP Overview
- URI::Heuristic : 17.5. The URI Module
- URI::Escape
: 17.5. The URI Module
- URIs (Universal Resource Identifiers)
: 17.1. LWP Overview
- url()
- CGI.pm module
: Chapter 10, Reference: url
- HTTP::Daemon module : Chapter 17, Reference: url
- HTTP::Request module : Chapter 17, Reference: url
- HTTP::Daemon module : Chapter 17, Reference: url
- CGI.pm module
: Chapter 10, Reference: url
- URLs (uniform resource locators)
- (see also Win32 modules, Win32::Internet module)
- Chapter 19, Reference: CanonicalizeURL
- encoding : 9.2. URL Encoding
- extra path information : 9.3. Extra Path Information
- URI::URL module
- Chapter 19, Reference: CanonicalizeURL
- (see also Win32 modules, Win32::Internet module)
- use directives
- 7. Packages, Modules, and Objects
- 7.2. Modules
- use English : 4.4. Special Variables
- use integer : 4.5.3. Arithmetic Operators
- use Socket : 13.1.1. Initializing a Socket
- 7.2. Modules
- 7. Packages, Modules, and Objects
- use_alarm() (LWP::UserAgent)
: Chapter 17, Reference: use_alarm
- use_named_parameters() (CGI.pm) : Chapter 10, Reference: use_named_parameters
- Usenet news : 15. Usenet News
- use_named_parameters() (CGI.pm) : Chapter 10, Reference: use_named_parameters
- Net::News module
: 15.2. Net::NNTP
- News::Newsrc module : 15.3. The News::Newsrc Module
- Net::News module
: 15.2. Net::NNTP
- Usenet newsgroups, Perl-related
: 1.4.1. The comp.lang.perl.* Newsgroups
- use() : Chapter 5, Reference: use
- user()
- use() : Chapter 5, Reference: use
- Mail::Address module
- Net::POP3 module
- URI::URL module : Chapter 17, Reference: user
- USER command (POP3)
: 14.1.3. Retrieving Email with Net::POP3
- User::grent module : 8.164. User::grent
- User() (Mail::POP3Client) : Chapter 14, Reference: User
- User::pwent module : 8.165. User::pwent
- user_agent() (CGI.pm) : Chapter 10, Reference: user_agent
- user_name() (CGI.pm) : Chapter 10, Reference: user_name
- UserAgent object
- User::grent module : 8.164. User::grent
- UserAgent() (Win32::Internet)
: Chapter 19, Reference: UserAgent
- UserCreate() (Win32::NetAdmin) : Chapter 19, Reference: UserCreate
- Username() (Win32::Internet) : Chapter 19, Reference: Username
- users, fetching information on : 5.1. Perl Functions by Category
- utime() : Chapter 5, Reference: utime
- UserCreate() (Win32::NetAdmin) : Chapter 19, Reference: UserCreate
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