R

R command (debugger) : Debugger Commands
-r file test operator : Named Unary and File Test Operators
-R file test operator : Named Unary and File Test Operators
rand function : rand
random numbers rand srand
range (..) operator Range Operator Awk Traps
$rdev file statistic : stat
read function : read
readdir function readdir DirHandle--Supply Object Methods for Directory Handles Time Efficiency
reading data via low-level system call : sysread file backwards : Examples input (awk) : Awk Traps permissions for processes : IPC::Open2--Open a Process for Both Reading and Writing shared memory segment ID : shmread
Readline module : Readline Support
readlink function : readlink
ReadlKey module : Readline Support
ready file descriptors : select (ready file descriptors)
real gid : Global Special Variables
real uid : Global Special Variables
real values testing for with defined : defined
$REAL_GROUP_ID : vars--Predeclare Global Variable Names
$REAL_USER_ID : vars--Predeclare Global Variable Names
record delimiter : Switches
records input, separator for : Global Special Variables output, separator for : Global Special Variables of various data strcutures : More Elaborate Records
records, variable-length : Formats
recursive open functions : open use of subroutines : Subroutines
recv function : recv
redo operator Loop control redo
ref function : ref
ref operator : Other Tricks You Can Do with Hard References
reference passing : Passing References
references : What Is a Reference? checking for : ref circular, and memory : A Note on Garbage Collection to filehandles : Filehandle Referencers multidimensional arrays and : A Brief Tutorial: Manipulating Lists of Lists to objects : Using Object Methods objects as : An Object Is Simply a Referenced Thingy use strict 'refs' : strict--Restrict Unsafe Constructs
regexes : Regular Expressions
regexps : Regular Expressions
regular expressions Regular Expressions Regular Expressions Regular Expressions backreferences : Backreferences character classes : Regular Expressions extension syntax for : Regular expression extensions matching precedence : The rules of regular expression matching special variables for : Regular Expression Special Variables
relational operators Comparison Operators Relational Operators
removing rmdir Generation of a hash of complex records
rename function : rename
repetition (x) operator String Operators Multiplicative Operators
replacing array elements : splice
require function : Modules
require operator Global Declarations Global Special Arrays require
REs : Regular Expressions
reserved words : Variables
reset function : reset
restoring filehandles : SelectSaver--Save and Restore Selected Filehandle
return function : return
return value subroutine : Subroutines
reusing code Thinking of Code Reuse Programming with Style
reverse function : reverse
rewinddir function rewinddir DirHandle--Supply Object Methods for Directory Handles
right angle bracket : What You Don't Know Won't Hurt You (Much)
right justification : Format Variables
right-shift (>>) operator : Shift Operators
rindex function : rindex
RLENGTH variable (awk) : a2p
rmdir function : rmdir
rmtree( ) : File::Path--Create or Remove a Series of Directories
root directory redefining : chroot
routines : Subroutines
row : Generation of a hash of complex records
$RS : vars--Predeclare Global Variable Names
RSTART variable (awk) : a2p
running : How to Do It
runtests( ) : Test::Harness--Run Perl Standard Test Scripts with Statistics Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Copyright © 1996 O'Reilly & Associates, Inc. All Rights Reserved.