Index: Symbols & Numbers
Symbols & Numbers
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Index: Symbols & Numbers
- -- autodecrement operator: 10.6. Autoincrement and Autodecrement
- ` ` backquotes/backticks: 1.5. A Whirlwind Tour of Perl
- 14.4. Using Backquotes to Capture Output
- { } curly braces (see curly braces)
- - hyphen: 6.2. Input from the Diamond Operator
- 8.1. Character Classes
- ( ) parentheses (see parentheses)
- ' ' single quotes: 2.3.1. Single-Quoted String Literals
- [ ] square brackets: 7.3. A Pattern Test Program
- 8.1. Character Classes
- - subtraction operator: 2.2.5. Numeric Operators
- + addition operator: 2.2.5. Numeric Operators
- .= append operator: 2.5.3. Binary Assignment Operators
- @_ array variable: 4.5. Arguments
- = assignment operator: 2.5.2. Scalar Assignment
- @ at-sign: 3.4. List Assignment
- ++ autoincrement operator: 10.6. Autoincrement and Autodecrement
- \\\\ backslash: 2.3.1. Single-Quoted String Literals
- 8.4.1. Backreferences
- =~ binding operator: 9.3. The Binding Operator, =~
- ^ caret anchor: 8.3. Anchors
- , comma: 5.2.3. The Big Arrow
- $_ default variable (see default variable)
- / division operator: 2.2.5. Numeric Operators
- $ dollar sign (see dollar sign)
- . dot (see dot)
- ./ dot and slash: 1.4.1. A Simple Program
- .. dot-dot: 13.3. Links and Files
- -e command-line option: 16.4.1. In-place Editing from the Command Line
- -eval option, find2perl command and: B.26. Converting find Command Lines to Perl
- ** exponentiation operator: 2.2.5. Numeric Operators
- _ _FILE_ _ and _ _LINE_ _ tokens: 11.3. Fatal Errors with die
- _ filehandle: 11.6.5. Using the Special Underscore Filehandle
- -> little arrow: 5.2.3. The Big Arrow
- 13.8.3. The File::Spec Module
- -i.bak command-line option: 16.4.1. In-place Editing from the Command Line
- #! line: 1.4.2. What's Inside That Program?
- 1.5. A Whirlwind Tour of Perl
- % modulus operator: 2.2.5. Numeric Operators
- 17.2. Picking Items from a List with grep
- * multiplication operator: 2.2.5. Numeric Operators
- -n command-line option: 16.4.1. In-place Editing from the Command Line
- ! negation operator (see negation operator)
- . operator: 2.3.3. String Operators
- -p command-line option: 16.4.1. In-place Editing from the Command Line
- % percent sign (see percent sign)
- | pipe: 11.1. What Is a Filehandle?
- 14.5. Processes as Filehandles
- + plus sign: 7.2.2. Simple Quantifiers
- # pound sign: 1.4.2. What's Inside That Program?
- ? question mark: 7.2.2. Simple Quantifiers
- **= raise to the power of operator: 2.5.3. Binary Assignment Operators
- .. range operator: 3.3. List Literals
- ; semicolon (see semicolon)
- * star: 7.2.2. Simple Quantifiers
- . string concatenate operator: 2.5.3. Binary Assignment Operators
- ?\: ternary operator: 10.9.2. The Ternary Operator, ?:
- ~ tilde: 16.4. Variable-length (Text) Databases
- ~ tilde-prefix: 12.1. Moving Around the Directory Tree
- _ underscore: 2.2.3. Integer Literals
- 4.10. The use strict Pragma
- $! variable: 11.3. Fatal Errors with die
- \\| vertical bar: 7.2.4. Alternatives
- -w option: 2.4. Perl's Built-in Warnings
- 16.4.1. In-place Editing from the Command Line
- vs. warnings pragma: B.6.6. The warnings Pragma
- & ampersand: 4.3. Invoking a Subroutine
- 4.11.1. Omitting the Ampersand
- $& variable: 9.5.2. The Automatic Match Variables
- && operator: 10.9. Logical Operators
- 10.9.3. Control Structures Using Partial-Evaluation Operators
- &max subroutine: 4.5. Arguments
- 4.8.1. A Better &max Routine
- @ARGV array: 6.3. The Invocation Arguments
- $ARGV variable: 6.2. Input from the Diamond Operator
- $atime (timestamp): 11.6.1. The stat and lstat Functions
- changing: 13.7. Changing Timestamps
- \\\\B nonword-boundary anchor: 8.3.1. Word Anchors
- \\\\b word-boundary anchor: 8.3.1. Word Anchors
- $ctime (timestamp): 11.6.1. The stat and lstat Functions
- changing: 13.7. Changing Timestamps
- %d conversion: 6.5. Formatted Output with printf
- \\\\d shortcut: 8.1.1. Character Class Shortcuts
- $dev (device number): 11.6.1. The stat and lstat Functions
- \\\\E shortcut: 9.6.5. Case Shifting
- __END__ marker: 10.8.1. The last Operator
- %ENV hash: 14.3. The Environment Variables
- %f conversion: 6.5. Formatted Output with printf
- %g conversion: 6.5. Formatted Output with printf
- /g modifier, s/// substitution operator and: 9.6.1. Global Replacements with /g
- $gid (see group-ID)
- => big arrow: 5.2.3. The Big Arrow
- 17.4. Unquoted Hash Keys
- > greater-than sign: 11.2. Opening a Filehandle
- `Hello, world' program: 1.4.1. A Simple Program
- /i modifier: 9.2.1. Case-insensitive Matching with /i
- s/// substitution operator and: 9.6.3. Option Modifiers
- $^I variable: 16.4. Variable-length (Text) Databases
- $ino (inode number): 11.6.1. The stat and lstat Functions
- \\\\l shortcut: 9.6.5. Case Shifting
- @lines array variable: 1.5. A Whirlwind Tour of Perl
- < less-than sign: 11.2. Opening a Filehandle
- /m option: 17.5.2. Matching Multiple-line Text
- $mode: 11.6.1. The stat and lstat Functions
- $mtime (timestamp): 11.6.1. The stat and lstat Functions
- changing: 13.7. Changing Timestamps
- \\\\n shortcut: 1.4.2. What's Inside That Program?
- within a single-quoted string: 2.3.1. Single-Quoted String Literals
- .new files, renaming from .old files: 13.2. Renaming Files
- $nlink (number of links): 11.6.1. The stat and lstat Functions
- $now variable: 14.4. Using Backquotes to Capture Output
- .old files, renaming to .new files: 13.2. Renaming Files
- .plx file extension: 1.4.1. A Simple Program
- .pm files: 7.1. What Are Regular Expressions?
- $" variable: 3.5. Interpolating Arrays into Strings
- "money numbers" (see decimals)
- "" double quotes (see double quotes)
- "short-circuit" logical operators: 10.9. Logical Operators
- %s conversion: 6.5. Formatted Output with printf
- /s modifier: 9.2.2. Matching Any Character with /s
- s/// substitution operator and: 9.6.3. Option Modifiers
- \\\\s shortcut: 8.1.1. Character Class Shortcuts
- $size: 11.6.1. The stat and lstat Functions
- \\\\u shortcut: 9.6.5. Case Shifting
- $uid (see user-ID, numeric)
- /usr/bin/perl: 1.4.2. What's Inside That Program?
- /usr/local/bin/perl: 1.4.2. What's Inside That Program?
- \\\\w characters: 8.3.1. Word Anchors
- \\\\w shortcut: 8.1.1. Character Class Shortcuts
- `wimla,' diamond operator and: 6.2. Input from the Diamond Operator
- Ú Ú forward slashes: 7.2. Using Simple Patterns
- 9.1. Matches with m//
Symbols & Numbers
| A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
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| M
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