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Index: Symbols & Numbers

&& operator : 1.2. Establishing a Default Value
* to store filehandles
7.0. Introduction
7.16. Storing Filehandles in Variables
@_ array : 10.1. Accessing Subroutine Arguments
(backslash)
escape characters : 1.13. Escaping Characters
operator
10.5. Passing Arrays and Hashes by Reference
11.5. Taking References to Scalars
` (backtick)
expanding : 1.10. Interpolating Functions and Expressions Within Strings
operator
16.1. Gathering Output from a Program
19.6. Executing Commands Without Shell Escapes
qx( ) : 4.1. Specifying a List In Your Program
, (comma)
(see also CSV)
4.2. Printing a List with Commas
printing lists with commas : 4.2. Printing a List with Commas
$ variables
$` variable : 6.0. Introduction
$^W variable : 13.5. Using Classes as Structs
$+ variable : 6.0. Introduction
$' variable : 6.0. Introduction
$; variable : 9.4. Recognizing Two Names for the Same File
$/ variable : 8.0. Introduction
$_ variable
accidental clobbering : 4.4. Doing Something with Every Element in a List
outlawing unauthorized use
1.18. Program: psgrep
13.15. Creating Magic Variables with tie
$| variable
7.0. Introduction
7.12. Flushing Output
$1, $2, ... (backreferences) : 6.0. Introduction
finding duplicate words : 6.16. Detecting Duplicate Words
. (dot) in numbers : 2.17. Putting Commas in Numbers
.. and ... (range) operators : 6.8. Extracting a Range of Lines
=> (comma arrow) operator : 5.0. Introduction
=~ operator, s///, m//, and tr/// with : 1.1. Accessing Substrings
-> (infix) notation : 11.0. Introduction
-> operator : 13.0. Introduction
< > for globbing : 9.6. Globbing, or Getting a List of Filenames Matching a Pattern
< > (diamond) operator
7.0. Introduction
7.7. Writing a Filter
8.0. Introduction
17.0. Introduction
< access mode : 7.0. Introduction
<&= and <& open modes : 7.19. Opening and Closing File Descriptors by Number
<=> (comparison) operator : 4.14. Sorting an Array Numerically
% for hashes : 5.0. Introduction
> access mode : 7.0. Introduction
>> access mode : 7.0. Introduction
/ (root directory) : 9.0. Introduction
~ (tilde) in filenames, expanding : 7.3. Expanding Tildes in Filenames
_ (file stat cache) : 9.0. Introduction
|| operator : 1.2. Establishing a Default Value
||= (assignment) operator : 1.2. Establishing a Default Value
"0 but not true"
10.10. Returning Failure
17.2. Writing a TCP Server
-0 command-line option : 8.0. Introduction
"1 while" : 1.7. Expanding and Compressing Tabs
"500 Server Error", fixing : 19.3. Fixing a 500 Server Error


Symbols & Numbers | 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
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