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| Explanatory note
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 (see $( variable)
- real uid (see $< variable)
- real values
- testing for with defined
: defined
- $REAL_GROUP_ID (see $( variable)
- $REAL_USER_ID (see $< variable)
- record delimiter (see $/ variable)
- records (see $/ variable)
- input, separator for (see $/ variable)
- output, separator for (see $\ variable)
- 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 (see regular expressions)
- regexps (see 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 (see comparison operators)
-
- Relational Operators
- removing (see deleting)
-
-
- 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 (see 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 (see >)
- 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 (see subroutines)
- row (see record)
- $RS (see $/ variable)
- RSTART variable (awk)
: a2p
- running (see executing)
- 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
Explanatory note
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