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Index: R

-raisecmd option: 23.8.1. Creating Pages (Mastering Perl/Tk)
-regexp option: 8.16. Marks (Mastering Perl/Tk)
-relheight option: 2.1.1. Options for pack (Mastering Perl/Tk)
2.3.1. place Options (Mastering Perl/Tk)
-relief option
Button widgets and: 4.3. Table of Options for Button-Type Widgets (Mastering Perl/Tk)
Canvas widgets and: 9.5.3. Canvas Widget Option List (Mastering Perl/Tk)
Entry widgets and: 5.2.2. Entry Options (Mastering Perl/Tk)
5.2.4. Relief (Mastering Perl/Tk)
Frame and Toplevel widgets: 11.3. Options (Mastering Perl/Tk)
Frame widgets and: 11.3.3. Viewing a Frame (Mastering Perl/Tk)
headerCreate method: 18.4.2. HList Methods (Mastering Perl/Tk)
Label widgets and: 5.1.2. Label Options (Mastering Perl/Tk)
5.1.4. Relief (Mastering Perl/Tk)
Listboxes and: 7.2. Listbox Options (Mastering Perl/Tk)
7.5. Listbox Style (Mastering Perl/Tk)
Menu widgets and: 12.1.6. Menu Options (Mastering Perl/Tk)
Menubutton widgets: 12.4.1. Menubutton Options (Mastering Perl/Tk)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
Scrollbars and: 6.3.2. Scrollbar Options (Mastering Perl/Tk)
6.3.4. Scrollbar Style (Mastering Perl/Tk)
syntax: 4.12. Altering the Button's Style (Mastering Perl/Tk)
Text widgets and: 8.2. Text Widget Options (Mastering Perl/Tk)
8.2. Text Widget Options (Mastering Perl/Tk)
8.5.1. Tag Options (Mastering Perl/Tk)
-relwidth option: 2.1.1. Options for pack (Mastering Perl/Tk)
2.3.1. place Options (Mastering Perl/Tk)
-relx option: 2.3.1. place Options (Mastering Perl/Tk)
-rely option: 2.1.1. Options for pack (Mastering Perl/Tk)
-resolution option
ProgressBar widgets and: 23.10.1. ProgressBar Options (Mastering Perl/Tk)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
10.5. Displayed Versus Stored Value (Mastering Perl/Tk)
-restore option: 23.4. The Adjuster Widget (Mastering Perl/Tk)
-rmargin option: 8.5.1. Tag Options (Mastering Perl/Tk)
-rotate option: 9.18. Rendering the Canvas as PostScript (Mastering Perl/Tk)
-row option
grid method and: 2.2. The grid Geometry Manager (Mastering Perl/Tk)
2.2.2. grid Options (Mastering Perl/Tk)
gridSlaves method and: 2.2.13. gridSlaves (Mastering Perl/Tk)
syntax: 2.2.3. Specifying Rows and Columns Explicitly (Mastering Perl/Tk)
-rowspan option: 2.2.2. grid Options (Mastering Perl/Tk)
2.2.4. Spanning Rows and Columns Explicitly (Mastering Perl/Tk)
r command
CPAN.pm: 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
Perl debugger: 6.2. Debugger Commands (Perl in a Nutshell)
6.2. Debugger Commands (Perl in a Nutshell)
-r file test operator: 4.5.8. File Test Operators (Perl in a Nutshell)
-r option
dprofpp: 6.5. The Perl Profiler (Perl in a Nutshell)
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
perlbug: 6.6. The perlbug Program (Perl in a Nutshell)
-r (readable by effective uid/gid) file test: 1.5.7. Some File Test Operators (Programming Perl)
3.10. Named Unary and File Test Operators (Programming Perl)
-R (readable by real uid/gid file test: 3.10. Named Unary and File Test Operators (Programming Perl)
\r (carriage return) sequence: 4.6.3. Escaped Sequences (Perl in a Nutshell)
race conditions: 19.4.3. Discussion (Perl Cookbook)
2. Geometry Management (Mastering Perl/Tk)
file locking and: 16.2.1. File Locking (Programming Perl)
handling: 23.2.2. Handling Race Conditions (Programming Perl)
rad2deg( ) (example): 2.11.3. Discussion (Perl Cookbook)
radians vs. degrees: 2.11.1. Problem (Perl Cookbook)
radio buttons: 5.4.5. Radio Buttons (Perl & LWP)
12.1.1. Menus and Menu Items (Mastering Perl/Tk)
12.1.1. Menus and Menu Items (Mastering Perl/Tk)
21.14.2. Menubutton Methods (Perl in a Nutshell)
15.14.3. Discussion (Perl Cookbook)
Radiobutton widget
-bitmap option and: 4.5.1. Images with Checkbuttons and Radiobuttons (Mastering Perl/Tk)
-value option and: 4.8. Radiobutton Values (Mastering Perl/Tk)
-variable option and: 4.6. Checkbutton and Radiobutton Indicator Status (Mastering Perl/Tk)
characteristics of: 4. Button, Checkbutton, and Radiobutton Widgets (Mastering Perl/Tk)
example: 4. Button, Checkbutton, and Radiobutton Widgets (Mastering Perl/Tk)
indicator colors and: 4.16. Indicator Colors (Mastering Perl/Tk)
Listboxes as substitutes for: 7. The Listbox Widget (Mastering Perl/Tk)
options for: 4.2. Standard Options for Each Button Type (Mastering Perl/Tk)
4.3. Table of Options for Button-Type Widgets (Mastering Perl/Tk)
Perl/Tk: 21.6. The Radiobutton Widget (Perl in a Nutshell)
turning off/on: 4.23. Turning a Checkbutton/Radiobutton On and Off (Mastering Perl/Tk)
variables and: 4.9. The -command Option (Mastering Perl/Tk)
radio_group( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
raise 21.12.3. Canvas Methods (Perl in a Nutshell)
syntax: 9.5.3. Canvas Widget Option List (Mastering Perl/Tk)
13.19. Widget Mapping and Layering (Mastering Perl/Tk)
23.8.1. Creating Pages (Mastering Perl/Tk)
Toplevel widgets and: 11.2. Creating a Toplevel Widget (Mastering Perl/Tk)
11.3. Options (Mastering Perl/Tk)
raise to the power of operator (**=): 2.5.3. Binary Assignment Operators (Learning Perl)
Ramdane, Amine Moulay: 22.1.5.3. Win32::Process and shared memory (Mastering Perl/Tk)
rand: 5. Function Reference (Perl in a Nutshell)
2.7.1. Problem (Perl Cookbook)
8.6.1. Problem (Perl Cookbook)
3.1. Terms and List Operators (Leftward) (Programming Perl)
29.2.119. rand (Programming Perl)
randcap program (example): 1.9.3. Discussion (Perl Cookbook)
random
email signatures: 16.22.1. Description (Perl Cookbook)
lines from files: 8.6.1. Problem (Perl Cookbook)
numbers: 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)
ordering of lines in files: 8.7.1. Problem (Perl Cookbook)
producing as handles or scalars: 14.4.2. Creative Filehandles (Programming Perl)
random-access I/O: 8.12.1. Problem (Perl Cookbook)
randomizing arrays: 4.17.1. Problem (Perl Cookbook)
range (.. and ...) operator: 3.15. Range Operator (Programming Perl)
6.8.2. Solution (Perl Cookbook)
4.5.11.1. Range operator (Perl in a Nutshell)
4.5.11.1. Range operator (Perl in a Nutshell)
3.3. List Literals (Learning Perl)
ranges
character sets, specifying in: 5.2.4. The tr/// Operator (Transliteration) (Programming Perl)
characters: 5.4.1. Custom Character Classes (Programming Perl)
raw_cookie( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
RC_ mnemonics (HTTP::Status): 20.3.4. HTTP::Status (Perl in a Nutshell)
RCP (Robot Control Program)
features: 20.3.2. Robot Control Programs (Mastering Perl/Tk)
TclRobots and: 20.3. TclRobots (Mastering Perl/Tk)
RCPT command (SMTP): 16.1.2. The SMTP Protocol and the SMTP Session (Perl in a Nutshell)
$rdev file statistic: 29.2.165. stat (Programming Perl)
re-initialization expressions, loops: 4.4.2. for Loops (Programming Perl)
re module: 8.178. re (Perl in a Nutshell)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
read( ): 5. Function Reference (Perl in a Nutshell)
DirHandle module: 8.59. DirHandle (Perl in a Nutshell)
8.0. Introduction (Perl Cookbook)
8.15.1. Problem (Perl Cookbook)
14.4.1. Filehandle-Tying Methods (Programming Perl)
29.2.120. read (Programming Perl)
17.7. The Photo Image Type (Mastering Perl/Tk)
database records and: 16.3. Fixed-length Random-access Databases (Learning Perl)
Win32::EventLog: 22.4. Win32::Eventlog (Perl in a Nutshell)
Win32::Pipe: 22.13.1. Win32::Pipe Methods (Perl in a Nutshell)
readable file test operator: 1.5.7. Some File Test Operators (Programming Perl)
3.10. Named Unary and File Test Operators (Programming Perl)
SOAP::Lite: 14.2.1. SOAP::Lite Methods (Perl in a Nutshell)
ReadAttr( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
read_buffer( ) (HTTP::Daemon::ClientConn): 20.3.7.1. HTTP::Daemon::ClientConn methods (Perl in a Nutshell)
ReadChar( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
readdir( ): 5. Function Reference (Perl in a Nutshell)
9.0. Introduction (Perl Cookbook)
9.5.2. Solution (Perl Cookbook)
29.2.121. readdir (Programming Perl)
12.4. Directory Handles (Learning Perl)
ReadEntireFile( ) (Win32::Internet): 22.7.1. General Internet Methods (Perl in a Nutshell)
reader( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
ReadFile( ) (Win32::Internet): 22.7.1. General Internet Methods (Perl in a Nutshell)
reading
data via low-level system call: 29.2.172. sysread (Programming Perl)
email messages (see email)
Mail::Audit: 16.2.9. Mail Filtering with Mail::Audit (Perl in a Nutshell)
Mail::RBL: 16.2.8. Checking Blacklisted Hosts with Mail::RBL (Perl in a Nutshell)
files (see file access; file contents)
open mode and: 29.2.104. open (Programming Perl)
news articles: 17.1. The NNTP Protocol (Perl in a Nutshell)
shared memory segment ID: 29.2.152. shmread (Programming Perl)
Usenet news: 18.4.1. Problem (Perl Cookbook)
readline( ): 5. Function Reference (Perl in a Nutshell)
disabling support to debugger: 20.4. Unattended Execution (Programming Perl)
function: 2.11.2. Line Input (Angle) Operator (Programming Perl)
method: 14.4.1. Filehandle-Tying Methods (Programming Perl)
operator: 12.3. An Alternate Syntax for Globbing (Learning Perl)
option (PERLDB_OPTS): 6.4. Customizing the Debugger (Perl in a Nutshell)
packages: 32.1.11. User Interfaces (Programming Perl)
readlink( ): 5. Function Reference (Perl in a Nutshell)
29.2.123. readlink (Programming Perl)
readme command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
ReadParse( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
readpipe( ): 5. Function Reference (Perl in a Nutshell)
ReadRect( ) (Win32::Console): 22.2. Win32::Console (Perl in a Nutshell)
ready file descriptors: 29.2.141. select (ready file descriptors) (Programming Perl)
real GID (see $( variable)
real UID (see $< variable)
real values, testing for with defined function: 29.2.23. defined (Programming Perl)
RealAudio URLs, data extraction example: 8.1. The Problem (Perl & LWP)
$REAL_GROUP_ID: 28.2. Special Variables in Alphabetical Order (Programming Perl)
($( ) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
Really Simple Syndication (RSS): 9.2.1. Introduction to RSS (Perl & XML)
$REAL_USER_ID: 28.2. Special Variables in Alphabetical Order (Programming Perl)
($<) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
reaping zombie processes: 16.1.2. Reaping Zombies (Programming Perl)
servers: 16.5.2. Networking Servers (Programming Perl)
reason( ) (HTTP::Daemon::ClientConn): 20.3.7.1. HTTP::Daemon::ClientConn methods (Perl in a Nutshell)
recallCommand option (debugger): 20.3.3. Debugger Options (Programming Perl)
Received: header line: 3.11. Program: hopdelta (Perl Cookbook)
recipient( ) (Net::SMTP): 16.1.2.1. Net::SMTP methods (Perl in a Nutshell)
recno_demo program (example): 14.7.3. Description (Perl Cookbook)
recompile command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
recompiling patterns, limiting with /o modifier: 5.2.1. Pattern Modifiers (Programming Perl)
record delimiter (see $/ variable)
records: 11.0.3. Records (Perl Cookbook)
28.2. Special Variables in Alphabetical Order (Programming Perl)
binary tree structures: 11.15. Program: Binary Trees (Perl Cookbook)
closures as objects: 11.7.1. Problem (Perl Cookbook)
comma-separated (see CSV)
constructing: 11.9.1. Problem (Perl Cookbook)
counting in files: 8.2.1. Problem (Perl Cookbook)
fixed-length: 8.0. Introduction (Perl Cookbook)
8.15.1. 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)
input, separator for (see $/ variable)
lastlog file: 8.20. Program: laston (Perl Cookbook)
output, separator for (see $\ variable)
with pattern separators, reading: 6.7.1. Problem (Perl Cookbook)
random-access I/O: 8.12.1. Problem (Perl Cookbook)
reading/writing to text files: 11.10.1. Problem (Perl Cookbook)
variable-length: 8.9.1. Problem (Perl Cookbook)
of various data structures: 9.6. More Elaborate Records (Programming Perl)
composing, accessing, and printing: 9.6.1. Composition, Access, and Printing of More Elaborate Records (Programming Perl)
generating hash of: 9.6.3. Generation of a Hash of Complex Records (Programming Perl)
variable-length: 7. Formats (Programming Perl)
wtmp file: 8.18. Program: tailwtmp (Perl Cookbook)
rectangles: 9. The Canvas Widget (Mastering Perl/Tk)
9.6.7. The Rectangle Item (Mastering Perl/Tk)
recursion of subroutines: 6.2.3. Scoping Issues (Programming Perl)
recursion when processing XML: 3.5. XML::LibXML (Perl & XML)
recursive directory listing: 12.5. Recursive Directory Listing (Learning Perl)
recursive lexical pad stacks: 18.3. Executing Your Code (Programming Perl)
recursive matching: 5.10.3.4. Match-time pattern interpolation (Programming Perl)
recursively processing files in directories: 9.7.1. Problem (Perl Cookbook)
recursivity
locks: 17.2.2.1. Synchronizing access with lock (Programming Perl)
recv( ): 5. Function Reference (Perl in a Nutshell)
29.2.125. recv (Programming Perl)
Socket module: 15.1. Built-in Socket Functions (Perl in a Nutshell)
redirect( ): 19.8.3. Discussion (Perl Cookbook)
(CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
CGI error messages: 19.2.1. Problem (Perl Cookbook)
CGI requests: 19.8.1. Problem (Perl Cookbook)
link-checking spider example: 12.3.4. Redirects (Perl & LWP)
user agents: 3.4.4. Redirection (Perl & LWP)
redirect_ok( ) method: 3.4.4. Redirection (Perl & LWP)
redither method: 17.7. The Photo Image Type (Mastering Perl/Tk)
redo( ): 5. Function Reference (Perl in a Nutshell)
4.3.1.5. Loop control (Perl in a Nutshell)
8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
operator: 10.8.3. The redo Operator (Learning Perl)
4.4.4. Loop Control (Programming Perl)
4.4.4. Loop Control (Programming Perl)
29.2.126. redo (Programming Perl)
virtual event: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
redundancy in Perl: 1.5.6. Some Numeric and String Comparison Operators (Programming Perl)
ref( ): 4.8.2. Dereferencing (Perl in a Nutshell)
5. Function Reference (Perl in a Nutshell)
11.0.1. References (Perl Cookbook)
13.0.1. Under the Hood (Perl Cookbook)
12.4. Object Construction (Programming Perl)
29.2.127. ref (Programming Perl)
8.3.6. Other Tricks You Can Do with Hard References (Programming Perl)
references: 11.0.1. References (Perl Cookbook)
3.4. List Assignment (Learning Perl)
B.20. References (Learning Perl)
4.8.1. Creating References (Perl in a Nutshell)
1.2.1.1. Singularities (Programming Perl)
8. References (Programming Perl)
to anonymous data: 8.2.2. Anonymous Data (Programming Perl)
to arrays: 11.1.1. Problem (Perl Cookbook)
arrays of scalar references: 11.6.1. Problem (Perl Cookbook)
as hash keys: 13.15.7. Tie Example: Hash That Allows Look-Ups by Key or Value (Perl Cookbook)
autovivification: 11.0.2. Anonymous Data (Perl Cookbook)
blessing: 12.4. Object Construction (Programming Perl)
braces, brackets and quoting in: 8.5. Braces, Brackets, and Quoting (Programming Perl)
callbacks as: 15.1. Creating a Callback (Mastering Perl/Tk)
casting to other pointer types: 2.6. Scalar Values (Programming Perl)
checking for: 29.2.127. ref (Programming Perl)
circular
in overloading: 13.3. Overloadable Operators (Programming Perl)
circular, and memory: 8.5.2. Garbage Collection, Circular References, and Weak References (Programming Perl)
closures as objects: 11.7.1. Problem (Perl Cookbook)
creating: 8.2. Creating References (Programming Perl)
with backslash operator: 8.2.1. The Backslash Operator (Programming Perl)
to data structures: 8.1. What Is a Reference? (Programming Perl)
defining: 8.1. What Is a Reference? (Programming Perl)
destruction of, controlling: 19.2. Environment Variables (Programming Perl)
event examples: 15.2.2.1. The exporter tag :variables (Mastering Perl/Tk)
to filehandles: 8.2.4. Handle References (Programming Perl)
29.2.104. open (Programming Perl)
to functions: 11.4.1. Problem (Perl Cookbook)
storing in data structures: 9.5. Hashes of Functions (Programming Perl)
geometry manager: 13.2.5. Widget's Manager (Mastering Perl/Tk)
hard: 3.2. The Arrow Operator (Programming Perl)
Glossary (Programming Perl)
Glossary (Programming Perl)
(see also hard references)
hash keys, providing as: 32.1.14. Convenient Classes (Programming Perl)
as hash values: 5.12.2. Solution (Perl Cookbook)
to hashes: 11.3.1. Problem (Perl Cookbook)
9.1.5. Common Mistakes (Programming Perl)
multidimensional hashes: 9.6. More Elaborate Records (Programming Perl)
hashes of arrays: 11.2.1. Problem (Perl Cookbook)
indirection: 8. References (Programming Perl)
iterating over arrays by: 4.5.1. Problem (Perl Cookbook)
locking: 17.2.2.1. Synchronizing access with lock (Programming Perl)
to methods: 11.8.1. Problem (Perl Cookbook)
in multidimsional arrays: 9.1.1. Creating and Accessing a Two-Dimensional Array (Programming Perl)
object-oriented programming and: 10. Packages (Programming Perl)
for objects: 12.2. Perl's Object System (Programming Perl)
objects as: 12.4. Object Construction (Programming Perl)
to packages, indirect: 12.13.1. Problem (Perl Cookbook)
passing: 6.3. Passing References (Programming Perl)
passing by: 10.5.1. Problem (Perl Cookbook)
6.2. Semantics (Programming Perl)
passing to subroutines: 4.7.3. Passing References (Perl in a Nutshell)
Perl, C pointers vs.: 3.21. C Operators Missing from Perl (Programming Perl)
reference count: 11.0.1. References (Perl Cookbook)
references and: 2.5.1. Name Lookups (Programming Perl)
returned items as: 11.2. Creating a Toplevel Widget (Mastering Perl/Tk)
returning by: 10.9.1. Problem (Perl Cookbook)
to scalars: 11.5.1. Problem (Perl Cookbook)
self-referential structures: 13.13.1. Problem (Perl Cookbook)
to signal handlers (user-defined): 16.1. Signals (Programming Perl)
stringifying: 8.3.6. Other Tricks You Can Do with Hard References (Programming Perl)
8.5.1. References Don't Work as Hash Keys (Programming Perl)
9.1.3. Access and Printing (Programming Perl)
9.1.5. Common Mistakes (Programming Perl)
to subroutines: 6.1. Syntax (Programming Perl)
retrieving from or passing to: 10.1. Symbol Tables (Programming Perl)
to symbol table entries: 10.1. Symbol Tables (Programming Perl)
in symbol tables to other symbol tables: 10.1. Symbol Tables (Programming Perl)
symbolic: 1.8.2. Solution (Perl Cookbook)
12.13.2. Solution (Perl Cookbook)
8.4. Symbolic References (Programming Perl)
to tied arrays: 14.2.1. Array-Tying Methods (Programming Perl)
to tied scalar variables: 14.1.1. Scalar-Tying Methods (Programming Perl)
to tied variable objects, breaking: 14.5. A Subtle Untying Trap (Programming Perl)
Toplevel widget: 13.2.4. The Widget's Toplevel (Mastering Perl/Tk)
truth value of: 1.6.1. What Is Truth? (Programming Perl)
weak: 8.5.2. Garbage Collection, Circular References, and Weak References (Programming Perl)
weakening or breaking: 12.6.1. Garbage Collection with DESTROY Methods (Programming Perl)
widget's children: 13.2.1. Widget's Children (Mastering Perl/Tk)
widget's class: 13.2.6. The Widget's class (Mastering Perl/Tk)
widget's ID: 13.3. Widget's ID (Mastering Perl/Tk)
widget's name: 13.2.2. Name of a Widget (Mastering Perl/Tk)
widget's parent: 13.2.3. Parent of a Widget (Mastering Perl/Tk)
references (entity): 2.5. Entities (Perl & XML)
referents: 11.0.1. References (Perl Cookbook)
8.1. What Is a Reference? (Programming Perl)
objects as: 12.2. Perl's Object System (Programming Perl)
referer( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
Referer header value: 11.2.2. Referer (Perl & LWP)
"referrer" vs. "referer": 20.1.3. Discussion (Perl Cookbook)
refile( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
reftype function: 12.4. Object Construction (Programming Perl)
regex (see patterns)
-regex option (perlcc): 3.4. The Perl Compiler (Perl in a Nutshell)
regexes (see patterns)
regexps (see patterns)
regexps, query_form( ) method: 5.2.2. GETting a query_form( ) URL (Perl & LWP)
Registry access and management: 22.15. Win32::Registry (Perl in a Nutshell)
registry (Microsoft Windows), manipulating: 14.6. Tie Modules on CPAN (Programming Perl)
32.1.20. Microsoft-Related Modules (Programming Perl)
Registry (Windows): B.7.1. Direct System Database Access (Learning Perl)
regular expression engines: 17.5. More Powerful Regular Expressions (Learning Perl)
resources for further information: B.2. Regular expressions (Learning Perl)
regular expression memories: 8.4. Memory Parentheses (Learning Perl)
regular expressions (see patterns)
7. Concepts of Regular Expressions (Learning Perl)
17.5. More Powerful Regular Expressions (Learning Perl)
4.6. Regular Expressions (Perl in a Nutshell)
5. Pattern Matching (Programming Perl)
anchors: 4.6.5. Anchors (Perl in a Nutshell)
character classes: 4.6.4. Character Classes (Perl in a Nutshell)
character classes, confusing with array subscripts: 2.6.5. Interpolating Array Values (Programming Perl)
characters, matching instead of bytes: 15.2. Effects of Character Semantics (Programming Perl)
checking if strings are valid numbers: 2.1.2. Solution (Perl Cookbook)
commenting: 6.4.1. Problem (Perl Cookbook)
components: 6.2.7. Develop from Components (Perl & LWP)
data extraction: 6.1. Automating Data Extraction (Perl & LWP)
debugging: 6.3. Troubleshooting (Perl & LWP)
escaped sequences: 4.6.3. Escaped Sequences (Perl in a Nutshell)
extended, syntax for: 4.6.8. Extended Regular Expressions (Perl in a Nutshell)
functions dealing with: 29.1. Perl Functions by Category (Programming Perl)
functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
fuzzy matching: 6.13.1. Problem (Perl Cookbook)
honoring locale settings: 6.12.1. Problem (Perl Cookbook)
matches: 6.2.4. Minimal and Greedy Matches (Perl & LWP)
anchoring: 6.2.1. Anchor Your Match (Perl & LWP)
capture: 6.2.5. Capture (Perl & LWP)
greedy: 6.2.4. Minimal and Greedy Matches (Perl & LWP)
repeated: 6.2.6. Repeated Matches (Perl & LWP)
metacharacters: 4.6.2. Regular Expression Syntax (Perl in a Nutshell)
multiple-byte matching: 6.18.1. Problem (Perl Cookbook)
multiple steps: 6.2.8. Use Multiple Steps (Perl & LWP)
nested structures and: 6.4. When Regular Expressions Aren't Enough (Perl & LWP)
newlines and: 6.2.3. Embedded Newlines (Perl & LWP)
pattern match variables: 4.6.7. Pattern Match Variables (Perl in a Nutshell)
pattern matching operators: 4.5.7. Pattern Match Operators (Perl in a Nutshell)
4.6.1. Pattern-Matching Operators (Perl in a Nutshell)
quantifiers: 4.6.6. Quantifiers (Perl in a Nutshell)
resources for further reading: B.2. Regular expressions (Learning Perl)
special (predefined) variables: 4.4.5. Regular Expression Special Variables (Perl in a Nutshell)
tcgrep program: 6.22. Program: tcgrep (Perl Cookbook)
techniques for: 6.2. Regular Expression Techniques (Perl & LWP)
testing for invalid patterns: 6.11.1. Problem (Perl Cookbook)
urlify program: 6.21. Program: urlify (Perl Cookbook)
useful and interesting (list): 6.23. Regular Expression Grabbag (Perl Cookbook)
using: 9. Using Regular Expressions (Learning Perl)
whitespace and: 6.2.2. Whitespace (Perl & LWP)
regular files, testing for: 1.5.7. Some File Test Operators (Programming Perl)
rel( ) 4.3. Converting Absolute URLs to Relative (Perl & LWP)
(URI::URL): 20.5.3. URI::URL (Perl in a Nutshell)
relational databases: B.7.3. Relational Database Access (Learning Perl)
hashes, tying to: 14.6. Tie Modules on CPAN (Programming Perl)
relational operators: 4.5.4.1. Relational operators (Perl in a Nutshell)
1.5.6. Some Numeric and String Comparison Operators (Programming Perl)
3.11. Relational Operators (Programming Perl)
nonassociation of: 3.11. Relational Operators (Programming Perl)
relative coordinates: 2.3.3. Relative Coordinates (Mastering Perl/Tk)
relative locators in XPath: 8.2. XPath (Perl & XML)
relative URLs: 4.2. Relative URLs (Perl & LWP)
constructors and: 4.1.1. Constructors (Perl & LWP)
converting from absolute: 4.3. Converting Absolute URLs to Relative (Perl & LWP)
converting to absolute: 4.4. Converting Relative URLs to Absolute (Perl & LWP)
fragment-only: 4.2. Relative URLs (Perl & LWP)
implicit information: 4.2. Relative URLs (Perl & LWP)
RelaxNG: 3.7.2. Schemas (Perl & XML)
release( )
Win32::Mutex module: 22.9. Win32::Mutex (Perl in a Nutshell)
Win32::Semaphore module: 22.16. Win32::Semaphore (Perl in a Nutshell)
-relheight, -relwidth options (place geometry manager): 21.2.3. The place Geometry Manager (Perl in a Nutshell)
-relief option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)
reload command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
-relx, -rely options (place geometry manager): 21.2.3. The place Geometry Manager (Perl in a Nutshell)
remote controllers
example: 20.1.2. Tk::Receive (Mastering Perl/Tk)
Perl/Tk design: 20.1.2. Tk::Receive (Mastering Perl/Tk)
rmt program and: 20.1.1. Application Names (Mastering Perl/Tk)
remote_host( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
remote_user( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
removeAttribute method for Element node: 7.2.8.2. Methods (Perl & XML)
removeAttributeNode method for Element node: 7.2.8.2. Methods (Perl & XML)
removeAttributeNS method for Element node: 7.2.8.2. Methods (Perl & XML)
remove_header( ) (HTTP::Headers): 20.3.3. HTTP::Headers (Perl in a Nutshell)
removeNamedItem class for Node class (DOM): 7.2.6.2. Methods (Perl & XML)
removeNamedItemNS class for Node class (DOM): 7.2.6.2. Methods (Perl & XML)
remove_sig( ) (Mail::Internet): 16.2.5. Mail::Internet Reference (Perl in a Nutshell)
removing (see deleting)
directories: 13.4. Making and Removing Directories (Learning Perl)
files: 13.1. Removing Files (Learning Perl)
HTML tags: 20.6.1. Problem (Perl Cookbook)
rename( ): 5. Function Reference (Perl in a Nutshell)
files: 9.9.1. Problem (Perl Cookbook)
Net::FTP module: 18.2. Net::FTP (Perl in a Nutshell)
rename function: 13.2. Renaming Files (Learning Perl)
29.2.128. rename (Programming Perl)
script (example): 9.9.3. Discussion (Perl Cookbook)
Win32::Internet: 22.7.2. FTP Functions (Perl in a Nutshell)
rep program (example): 15.12.3. Description (Perl Cookbook)
Reparent event: 15.2.1.2. Event descriptor types (Mastering Perl/Tk)
repeat method: 13.2.2. Name of a Widget (Mastering Perl/Tk)
-repeatdelay option
Scale widget: 21.13. The Scale Widget (Perl in a Nutshell)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
Scrollbar widget: 21.9. The Scrollbar Widget (Perl in a Nutshell)
Scrollbars and: 6.3.2. Scrollbar Options (Mastering Perl/Tk)
6.3.6. Using the Arrows and the Slider (Mastering Perl/Tk)
repeated matches, regular expressions: 6.2.6. Repeated Matches (Perl & LWP)
-repeatinterval option
Scale widget: 21.13. The Scale Widget (Perl in a Nutshell)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
Scrollbar widget: 21.9. The Scrollbar Widget (Perl in a Nutshell)
Scrollbars and: 6.3.2. Scrollbar Options (Mastering Perl/Tk)
6.3.6. Using the Arrows and the Slider (Mastering Perl/Tk)
repetition (x) operator: 1.5.2. String Operators (Programming Perl)
1.5.2. String Operators (Programming Perl)
3.7. Multiplicative Operators (Programming Perl)
replaceChild method for Node class (DOM): 7.2.4.2. Methods (Perl & XML)
replaceData method for CharacterData class (DOM): 7.2.7.2. Methods (Perl & XML)
replacement, matched substrings (see s/// (substitution) operator)
replacement strings
/e modifier, building with: 5.10.3.2. Substitution evaluations (Programming Perl)
replace_with( ) method, constraints: 10.3.2. Constraints (Perl & LWP)
replacing array elements: 29.2.160. splice (Programming Perl)
reply( ) (Mail::Internet): 16.2.5. Mail::Internet Reference (Perl in a Nutshell)
Report( ) (Win32::EventLog): 22.4. Win32::Eventlog (Perl in a Nutshell)
reporting bugs in Perl: 6.6. The perlbug Program (Perl in a Nutshell)
reporting errors (see errors; warnings)
reports, formats for: B.12. Formats (Learning Perl)
reports, generating: 7. Formats (Programming Perl)
reqheight method: 2.4.2.2. Widget-to-widget attachments (Mastering Perl/Tk)
13.9.2. Requested Height (Mastering Perl/Tk)
request( )
adding: 11.2. Adding Extra Request Header Lines (Perl & LWP)
header lines, adding: 11.2. Adding Extra Request Header Lines (Perl & LWP)
(LWP::UserAgent): 20.2.3. LWP::UserAgent (Perl in a Nutshell)
user agents and: 3.4.7. Request Methods (Perl & LWP)
request object: 22.1. Library for WWW Access in Perl (Mastering Perl/Tk)
request parameters: 3.4.2. Request Parameters (Perl & LWP)
Request( ) (Win32::Internet): 22.7.3. HTTP Functions (Perl in a Nutshell)
request_method( ) (CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)
requests, HTTP
HTTP::Request module: 20.1. LWP Overview (Perl in a Nutshell)
20.3.1. HTTP::Request (Perl in a Nutshell)
UserAgent object for: 20.1. LWP Overview (Perl in a Nutshell)
20.2. The LWP Modules (Perl in a Nutshell)
20.2.3. LWP::UserAgent (Perl in a Nutshell)
requests_redirectable( ) attribute: 3.4.4. Redirection (Perl & LWP)
require: 4.7. Global Declarations (Programming Perl)
4.7. Global Declarations (Programming Perl)
28.2. Special Variables in Alphabetical Order (Programming Perl)
29.2.129. require (Programming Perl)
11.1. Using Modules (Programming Perl)
require declarations,
 tie function and: 14. Tied Variables (Programming Perl)
require directives: 7.2. Modules (Perl in a Nutshell)
require statement: 12.0.1. Modules (Perl Cookbook)
trapping errors in: 12.2.1. Problem (Perl Cookbook)
reqwidth method: 2.4.2.2. Widget-to-widget attachments (Mastering Perl/Tk)
13.9.3. Requested Width (Mastering Perl/Tk)
REs (see patterns)
reserved words: 2.5. Names (Programming Perl)
barewords, possible conflict with: 2.6.4. Or Leave the Quotes Out Entirely (Programming Perl)
Reset( ) 29.2.130. reset (Programming Perl)
Win32::OLE::Enum module: 23.3.1. Win32::OLE::Enum Methods (Perl in a Nutshell)
reset button: 5.4.8. Reset Buttons (Perl & LWP)
ResetAnchor method: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
ResetUndo method: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
resizable( ) (Frame widget): 21.18.1. Toplevel Methods (Perl in a Nutshell)
resizable method: 11.3. Options (Mastering Perl/Tk)
resizing (see sizing also sizing)
7.5.2. Special Listbox Resizing (Mastering Perl/Tk)
(see also sizing)
-sticky option and: 2.2.5. Forcing a Widget to Fill a Cell (Mastering Perl/Tk)
automatic: 2.1.1. Options for pack (Mastering Perl/Tk)
Button widgets: 4.13. Changing the Size of a Button (Mastering Perl/Tk)
cells: 2.2.8. Configuring Columns and Rows (Mastering Perl/Tk)
Listboxes: 7.5.2. Special Listbox Resizing (Mastering Perl/Tk)
Toplevel widgets and: 11.3. Options (Mastering Perl/Tk)
widgets: 2.1.10.4. Listing widgets (Mastering Perl/Tk)
windows: 5.1.2. Label Options (Mastering Perl/Tk)
-resolution option (Scale): 21.13. The Scale Widget (Perl in a Nutshell)
Resolve( ) (Win32::Shortcut): 22.18. Win32::Shortcut (Perl in a Nutshell)
resolve_entity( ) method: 5.7.2.2. Entity resolver (Perl & XML)
resource database (see option database)
resource object: 22.1. Library for WWW Access in Perl (Mastering Perl/Tk)
resource patterns: 16.2. Using the Option Database (Mastering Perl/Tk)
16.2. Using the Option Database (Mastering Perl/Tk)
resources
adding: 16.2. Using the Option Database (Mastering Perl/Tk)
defined: 16. User Customization (Mastering Perl/Tk)
loading: 16.2. Using the Option Database (Mastering Perl/Tk)
managing shared: 22.11. Win32::NetResource (Perl in a Nutshell)
manipulating: 16.2.1. Manipulating Resources with option* Methods (Mastering Perl/Tk)
16.2.2. Manipulating Resources with Tk::CmdLine Subroutines (Mastering Perl/Tk)
resources for further reading: 1.4. Perl Resources (Perl in a Nutshell)
auxiliary lock files: 16.1.2. Using a DBM Hash (Learning Perl)
bitwise operators: 11.6.4. Using Bitstrings (Learning Perl)
file tests: 11.6. File Tests (Learning Perl)
Perl
object-oriented programming and: B.20.2. Object-Oriented Programming (Learning Perl)
using with the Web: B.16. The Common Gateway Interface (CGI) (Learning Perl)
Programming Perl: 1.2.1. Why Didn't Larry Just Use Some Other Language? (Learning Perl)
regular expressions: 17.5.1. Non-greedy Quantifiers (Learning Perl)
B.2. Regular expressions (Learning Perl)
Tk: B.32. Graphical User Interfaces (GUIs) (Learning Perl)
responses, HTTP: 20.3.2. HTTP::Response (Perl in a Nutshell)
restarting servers on demand: 17.16.1. Problem (Perl Cookbook)
restrictions: 4.10. The use strict Pragma (Learning Perl)
Resume( ) (Win32::Process): 22.14.1. Win32::Process Methods (Perl in a Nutshell)
ResumeService( ) (Win32::Service): 22.17. Win32::Service (Perl in a Nutshell)
retr( ) (Net::FTP): 18.2. Net::FTP (Perl in a Nutshell)
retrieve( ) (Storable module): 11.13.1. Problem (Perl Cookbook)
retrieving email messages: 16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
retrieving URLs: 20.1.1. Problem (Perl Cookbook)
return( ): 5. Function Reference (Perl in a Nutshell)
return function: 29.2.131. return (Programming Perl)
return operator: 4.11. The return Operator (Learning Perl)
return operators: 4.4.4. Loop Control (Programming Perl)
return context, subroutines: 10.6.1. Problem (Perl Cookbook)
return stack: 18.3. Executing Your Code (Programming Perl)
return statement: 10.10.2. Solution (Perl Cookbook)
4.7.2. Passing Arguments (Perl in a Nutshell)
return value 4.4. Return Values (Learning Perl)
currently executing subroutine, displaying in debugger: 20.2.1. Stepping and Running (Programming Perl)
subroutine: 6.2. Semantics (Programming Perl)
return values of subroutines
returning by reference: 10.9.1. Problem (Perl Cookbook)
returning failure: 10.10.1. Problem (Perl Cookbook)
skipping selected: 10.8.1. Problem (Perl Cookbook)
return_clause function (ExtUtils::Constant module): 8.69. ExtUtils::Constant (Perl in a Nutshell)
Reuse option (IO::Socket::INET): 15.2.4. IO::Socket::INET Reference (Perl in a Nutshell)
reused addresses, displaying contents of: 20.3.3. Debugger Options (Programming Perl)
reusing code: 24.3. Programming with Style (Programming Perl)
reval method, running suspicious code with: 23.3.1.1. Restricting namespace access (Programming Perl)
reverse( ): 5. Function Reference (Perl in a Nutshell)
1.6.2. Solution (Perl Cookbook)
4.10.1. Problem (Perl Cookbook)
1.8. List Processing (Programming Perl)
29.2.132. reverse (Programming Perl)
disallowing as sort subroutine name: 24.1.5. Previous Perl Traps (Programming Perl)
inverting hashes: 5.8.3. Discussion (Perl Cookbook)
operator: 3.7.1. The reverse Operator (Learning Perl)
15.4. Advanced Sorting (Learning Perl)
reversing
array elements: 4.10.1. Problem (Perl Cookbook)
words/characters in strings: 1.6.1. Problem (Perl Cookbook)
reversing print and printf statements (tied filehandles): 14.4. Tying Filehandles (Programming Perl)
revert( ) (HTTP::Cookies): 20.3.6. HTTP::Cookies (Perl in a Nutshell)
revhash_demo program (example): 13.15.7. Tie Example: Hash That Allows Look-Ups by Key or Value (Perl Cookbook)
revision (see version)
rewind( ) (DirHandle module): 8.59. DirHandle (Perl in a Nutshell)
rewinddir( ): 5. Function Reference (Perl in a Nutshell)
9.5.3. Discussion (Perl Cookbook)
29.2.133. rewinddir (Programming Perl)
Rezic, Slaven: 15.2.5. Binding to a MouseWheel Event (Mastering Perl/Tk)
RFC 1617, LDAP data storage: 19.1. How Data Is Stored in LDAP (Perl in a Nutshell)
RGB (red, green, blue)
rgb method and: 13.4.4. Translate to RGB Value (Mastering Perl/Tk)
13.4.4. Translate to RGB Value (Mastering Perl/Tk)
Scale widgets and: 10. The Scale Widget (Mastering Perl/Tk)
Rich Site Summary (RSS): 9.2.1. Introduction to RSS (Perl & XML)
> access mode: 7.0.3. I/O Operations (Perl Cookbook)
right justification: 7.1. Format Variables (Programming Perl)
-right option: 2.4.1. Options for form (Mastering Perl/Tk)
2.4.2.2. Widget-to-widget attachments (Mastering Perl/Tk)
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
right-shift (>>) operator: 3.9. Shift Operators (Programming Perl)
-rightspring option: 2.4.1. Options for form (Mastering Perl/Tk)
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
rindex( ): 5. Function Reference (Perl in a Nutshell)
15.1. Finding a Substring with index (Learning Perl)
29.2.134. rindex (Programming Perl)
rm command (Unix): 13.1. Removing Files (Learning Perl)
rmdir( ): 5. Function Reference (Perl in a Nutshell)
Net::FTP module: 18.2. Net::FTP (Perl in a Nutshell)
rmdir( ): 9.8.3. Discussion (Perl Cookbook)
rmdir function: 29.2.135. rmdir (Programming Perl)
rmdir operator: 13.4. Making and Removing Directories (Learning Perl)
Rmdir( ) (Win32::Internet): 22.7.2. FTP Functions (Perl in a Nutshell)
rmt program: 20.1.1. Application Names (Mastering Perl/Tk)
rmtree function: 13.4. Making and Removing Directories (Learning Perl)
rmtree program (example): 9.8.2. Solution (Perl Cookbook)
Robot User Agent: 20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)
robots for web traversal: 20.11.1. Problem (Perl Cookbook)
rollback( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
roman( ) (Roman module): 2.6.3. Discussion (Perl Cookbook)
Roman module: 2.6.2. Solution (Perl Cookbook)
roman numerals: 2.6.1. Problem (Perl Cookbook)
root( ) module: 8.2. XPath (Perl & XML)
root directory (/): 9.0. Introduction (Perl Cookbook)
root directory, redefining: 29.2.15. chroot (Programming Perl)
root elements: 2.5. Entities (Perl & XML)
root user: Glossary (Programming Perl)
root window: 13.10.1. Position Relative to the Root Window (Mastering Perl/Tk)
rootx method: 13.10.3. Coordinates Relative to the Root Window (Mastering Perl/Tk)
rooty method: 13.10.3. Coordinates Relative to the Root Window (Mastering Perl/Tk)
rot13 encryption: 5.2.4. The tr/// Operator (Transliteration) (Programming Perl)
rotations: 17.13. Simple Photo Rotations (Mastering Perl/Tk)
ROText widget: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
rounding floating-point numbers: 2.3.1. Problem (Perl Cookbook)
routines (see subroutines)
-row option (grid manager): 21.2.2. The grid Geometry Manager (Perl in a Nutshell)
rows, configuring: 2.2.8. Configuring Columns and Rows (Mastering Perl/Tk)
rows( ) (DBI): 12.3. DBI Methods (Perl in a Nutshell)
-rowspan option (grid manager): 21.2.2. The grid Geometry Manager (Perl in a Nutshell)
-rp option, form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
RPCs (remote procedure calls): 14.1. What Is SOAP? (Perl in a Nutshell)
RS (awk variable) (see $INPUT_RECORD_SEPARATOR)
-rs option, form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
RSS (Rich Site Summary): 9.2.1. Introduction to RSS (Perl & XML)
RSTART (awk variable): 28.2. Special Variables in Alphabetical Order (Programming Perl)
RTF, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
rules( ) (LWP::RobotUA): 20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)
-run option (perlcc): 3.4. The Perl Compiler (Perl in a Nutshell)
run phase: 18.1. The Life Cycle of a Perl Program (Programming Perl)
vs. run time: 18.2. Compiling Your Code (Programming Perl)
run time 1.4.3. But How Do I Compile Perl? (Learning Perl)
loading modules at: 12.3.1. Problem (Perl Cookbook)
scoping: 10.13.3.3. Using local( ) on parts of aggregates (Perl Cookbook)
running (see executing)
RunSQL( ) (Win32::ODBC): 24.1. ODBC Methods and Properties (Perl in a Nutshell)
RV (internal reference value): 21.2. Internal Data Types (Programming Perl)
rvalue: 2.3. Built-in Data Types (Programming Perl)

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