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Index: U
U string escape
:
1.9. Controlling Case
u string escape
:
1.9. Controlling Case
uc(�)
:
1.9. Controlling Case
ucfirst(�)
:
1.9. Controlling Case
UDP protocol
writing clients :
17.4. Setting Up a UDP Client
writing servers :
17.5. Setting Up a UDP Server
udpmsg program (example)
:
17.5. Setting Up a UDP Server
udpqotd program (example)
:
17.5. Setting Up a UDP Server
umask values
:
7.1. Opening a File
uname(�) (POSIX)
:
17.8. Finding Your Own Name and Address
unbuffered input/output
7.0. Introduction
7.12. Flushing Output
8.0. Introduction
15.6. Reading from the Keyboard
uncontrol subroutine
:
15.8. Using POSIX termios
undef(�)
:
11.0. Introduction
undefined (undef) value
:
1.0. Introduction
Unicode
:
1.0. Introduction
unimport(�)
1.18. Program: psgrep
13.15. Creating Magic Variables with tie
unions of lists
:
4.7. Finding Elements in One Array but Not Another
unique list elements, extracting
:
4.6. Extracting Unique Elements from a List
UNIVERSAL package
:
13.8. Determining Subclass Membership
Unix domain sockets
17.0. Introduction
17.6. Using UNIX Domain Sockets
UnixDate(�)
:
3.7. Parsing Dates and Times from Strings
unlink(�)
9.2. Deleting a File
9.8. Removing a Directory and Its Contents
unpack(�)
1.1. Accessing Substrings
1.4. Converting Between ASCII Characters and Values
8.15. Reading Fixed-Length Records
converting binary and decimal numbers :
2.4. Converting Between Binary and Decimal
unshift(�)
circular lists :
4.16. Implementing a Circular List
Tie::IxHash module and :
5.6. Retrieving from a Hash in Insertion Order
untie(�)
:
14.1. Making and Using a DBM File
uppercase, converting to lowercase
:
1.9. Controlling Case
URI::Heuristic
:
20.7. Finding Stale Links
urlify program
:
6.21. Program: urlify
URLs (Uniform Resource Locators)
:
19.0. Introduction
extracting from HTML :
20.3. Extracting URLs
fetching from Perl scripts :
20.1. Fetching a URL from a Perl Script
putting HTML links around :
6.21. Program: urlify
redirecting CGI requests :
19.8. Redirecting to a Different Location
use pragmas
:
12.0. Introduction
trapping errors in :
12.2. Trapping Errors in require or use
use autouse pragma :
12.3. Delaying use Until Run Time
use lib pragma :
12.7. Keeping Your Own Module Directory
use locale pragma
1.9. Controlling Case
6.0. Introduction
6.12. Honoring Locale Settings in Regular Expressions
use overload pragma :
13.14. Overloading Operators
Usenet news
:
18.4. Reading and Posting Usenet News Messages
user input
: (see
input
)
user interfaces
:
15.0. Introduction
checking for waiting input :
15.9. Checking for Waiting Input
clearing the screen :
15.3. Clearing the Screen
controlling programs with Expect :
15.13. Controlling Another Program with Expect
determining window size :
15.4. Determining Terminal or Window Size
dialog boxes with Tk :
15.15. Creating Dialog Boxes with Tk
editing input :
15.11. Editing Input
full-screen mode :
15.0. Introduction
managing screen :
15.12. Managing the Screen
manipulating terminal directly :
15.8. Using POSIX termios
menus with Tk :
15.14. Creating Menus with Tk
multiscreen CGI scripts :
19.12. Writing a Multiscreen CGI Script
parsing command-line options :
15.1. Parsing Program Arguments
reading from keyboard :
15.6. Reading from the Keyboard
reading passwords without echo :
15.10. Reading Passwords
removing DOS shell window :
15.17. Removing the DOS Shell Window with Windows Perl/Tk
ringing terminal bell :
15.7. Ringing the Terminal Bell
tcapdemo program :
15.18. Program: Small termcap program
testing programs if running interactively :
15.2. Testing Whether a Program Is Running Interactively
text color :
15.5. Changing Text Color
Tk resize events :
15.16. Responding to Tk Resize Events
userstats program (example)
:
14.1. Making and Using a DBM File
utime(�)
:
9.1. Getting and Setting Timestamps
uvi program (example)
:
9.1. Getting and Setting Timestamps
Symbols & Numbers
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Copyright © 2002
O'Reilly & Associates. All rights reserved.