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Scripting with Objects [[electronic resource] ] : A Comparative Presentation of Object-Oriented Scripting with Perl and Python
| Scripting with Objects [[electronic resource] ] : A Comparative Presentation of Object-Oriented Scripting with Perl and Python |
| Autore | Kak Avinash C |
| Pubbl/distr/stampa | Hoboken, : Wiley, 2012 |
| Descrizione fisica | 1 online resource (1315 p.) |
| Disciplina |
005.1/17
005.117 |
| Soggetto topico |
Object-oriented programming (Computer science)
Perl (Computer program language) Python (Computer program language) Scripting languages (Computer science) Engineering & Applied Sciences Computer Science |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-119-09509-3
1-283-64499-1 0-470-25578-1 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Scripting with Objects: A Comparative Presentation of Object-Oriented Scripting With Perl and Python; Contents; Preface; Acknowledgments; 1 Multilanguage View of Application Development and OO Scripting; 1.1 Scripting Languages Versus Systems Programming Languages; 1.2 Organization of this Book; 1.3 Credits and Suggestions for Further Reading; 2 Perl - A Review of the Basics; 2.1 Scalar Values in Perl; 2.1.1 Numbers; 2.1.2 Strings; 2.2 Perl's Variables: Scalars, Arrays, and Hashes; 2.2.1 Scalar; 2.2.2 Array; 2.2.3 Hash; 2.3 Lexical Scope, Lexical Variables, and Global Variables
2.3.1 Lexical Variables2.3.2 Package Variables; 2.4 Displaying Arrays; 2.5 Displaying Hashes; 2.6 Terminal and File I/O; 2.6.1 Terminal I/O; 2.6.2 File I/O; 2.6.2.1 I/O for Text Files; 2.6.2.2 I/O for Binary Files; 2.7 Functions, Subroutines, and Functions Used as Operators; 2.7.1 Using a Function as an Operator; 2.7.2 User-Defined Functions; 2.7.3 Passing Arguments to Functions; 2.7.4 Functions Can be Called with Keyword Arguments; 2.7.5 Default Values for Function Arguments; 2.8 What Is Returned by Evaluation Depends on Context; 2.9 Conditional Evaluation and Loop Control Structures 2.9.1 Controlling an Outer Loop from an Inner Loop2.9.2 When Is a Conditional True or False?; 2.9.3 Complex Conditionals; 2.10 Functions Supplied with Here-Doc Arguments; 2.11 Modules and Packages in Perl; 2.11.1 Creating Your Own Module; 2.11.2 Importing Names from a Module; 2.11.3 ""Nesting"" of Modules; 2.11.4 The Autoloading Feature; 2.11.5 Package Constructors and Destructors; 2.12 Temporarily Localizing a Global Variable; 2.13 Typeglobs for Global Names; 2.13.1 Creating Global Variables by Direct Assignments to Typeglob Slots; 2.14 The eval Operator; 2.15 grep() and map() Functions 2.16 Interacting with the Directory Structure2.16.1 Directory Handles; 2.16.2 File Tests; 2.16.3 Taking Advantage of Shell's Globbing; 2.16.4 Scanning a Directory Tree; 2.17 Launching Processes; 2.17.1 Launching a Child Process with system(); 2.17.2 Launching a Child Process with Backticks; 2.17.3 exec( ) for Transferring Control to a Process; 2.17.4 Launching a Child Process with fork(); 2.17.5 open( ) for Interprocess Communications; 2.18 Sending and Trapping Signals; 2.19 Credits and Suggestions for Further Reading; 2.20 Homework; 3 Python - A Review of the Basics 3.1 Language Model: Perl versus Python3.2 Numbers; 3.3 Python Containers: Sequences; 3.3.1 Strings; 3.3.2 Tuples; 3.3.3 Lists; 3.3.4 Xrange Sequences; 3.4 Python Containers: Dictionaries; 3.5 Built-in Types as Classes; 3.5.1 String Type as a Class; 3.5.2 Numeric Types as Classes; 3.6 Subclassing the Built-in Types; 3.6.1 Subclassing the String Type; 3.6.2 Subclassing the Integer Type; 3.7 Terminal and File I/O; 3.7.1 Terminal I/O; 3.7.2 File I/O; 3.7.2.1 I/O for Text Files; 3.7.2.2 I/O for Binary Files; 3.8 User-defined Functions; 3.8.1 A Function Is an Object 3.8.2 The Object Returned by a Function Call |
| Record Nr. | UNINA-9910453153303321 |
Kak Avinash C
|
||
| Hoboken, : Wiley, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Scripting with objects [[electronic resource] ] : a comparative presentation of object-oriented scripting with Perl and Python / / Avinash C. Kak
| Scripting with objects [[electronic resource] ] : a comparative presentation of object-oriented scripting with Perl and Python / / Avinash C. Kak |
| Autore | Kak Avinash C |
| Pubbl/distr/stampa | Hoboken, N.J., : Wiley-Interscience, c2008 |
| Descrizione fisica | xxxiv, 1279 p. : ill |
| Disciplina | 005.1/17 |
| Soggetto topico |
Object-oriented programming (Computer science)
Perl (Computer program language) Python (Computer program language) Scripting languages (Computer science) |
| ISBN |
0470255781
9780470255780 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910795969703321 |
|
Kak Avinash C
|
||
| Hoboken, N.J., : Wiley-Interscience, c2008 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Scripting with objects : a comparative presentation of object-oriented scripting with Perl and Python / / Avinash C. Kak
| Scripting with objects : a comparative presentation of object-oriented scripting with Perl and Python / / Avinash C. Kak |
| Autore | Kak Avinash C |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Hoboken, N.J., : Wiley-Interscience, c2008 |
| Descrizione fisica | xxxiv, 1279 p. : ill |
| Disciplina | 005.1/17 |
| Soggetto topico |
Object-oriented programming (Computer science)
Perl (Computer program language) Python (Computer program language) Scripting languages (Computer science) |
| ISBN |
0470255781
9780470255780 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Scripting with Objects: A Comparative Presentation of Object-Oriented Scripting With Perl and Python -- Contents -- Preface -- Acknowledgments -- 1 Multilanguage View of Application Development and OO Scripting -- 1.1 Scripting Languages Versus Systems Programming Languages -- 1.2 Organization of this Book -- 1.3 Credits and Suggestions for Further Reading -- 2 Perl - A Review of the Basics -- 2.1 Scalar Values in Perl -- 2.1.1 Numbers -- 2.1.2 Strings -- 2.2 Perl's Variables: Scalars, Arrays, and Hashes -- 2.2.1 Scalar -- 2.2.2 Array -- 2.2.3 Hash -- 2.3 Lexical Scope, Lexical Variables, and Global Variables -- 2.3.1 Lexical Variables -- 2.3.2 Package Variables -- 2.4 Displaying Arrays -- 2.5 Displaying Hashes -- 2.6 Terminal and File I/O -- 2.6.1 Terminal I/O -- 2.6.2 File I/O -- 2.6.2.1 I/O for Text Files -- 2.6.2.2 I/O for Binary Files -- 2.7 Functions, Subroutines, and Functions Used as Operators -- 2.7.1 Using a Function as an Operator -- 2.7.2 User-Defined Functions -- 2.7.3 Passing Arguments to Functions -- 2.7.4 Functions Can be Called with Keyword Arguments -- 2.7.5 Default Values for Function Arguments -- 2.8 What Is Returned by Evaluation Depends on Context -- 2.9 Conditional Evaluation and Loop Control Structures -- 2.9.1 Controlling an Outer Loop from an Inner Loop -- 2.9.2 When Is a Conditional True or False? -- 2.9.3 Complex Conditionals -- 2.10 Functions Supplied with Here-Doc Arguments -- 2.11 Modules and Packages in Perl -- 2.11.1 Creating Your Own Module -- 2.11.2 Importing Names from a Module -- 2.11.3 "Nesting" of Modules -- 2.11.4 The Autoloading Feature -- 2.11.5 Package Constructors and Destructors -- 2.12 Temporarily Localizing a Global Variable -- 2.13 Typeglobs for Global Names -- 2.13.1 Creating Global Variables by Direct Assignments to Typeglob Slots -- 2.14 The eval Operator.
2.15 grep() and map() Functions -- 2.16 Interacting with the Directory Structure -- 2.16.1 Directory Handles -- 2.16.2 File Tests -- 2.16.3 Taking Advantage of Shell's Globbing -- 2.16.4 Scanning a Directory Tree -- 2.17 Launching Processes -- 2.17.1 Launching a Child Process with system() -- 2.17.2 Launching a Child Process with Backticks -- 2.17.3 exec( ) for Transferring Control to a Process -- 2.17.4 Launching a Child Process with fork() -- 2.17.5 open( ) for Interprocess Communications -- 2.18 Sending and Trapping Signals -- 2.19 Credits and Suggestions for Further Reading -- 2.20 Homework -- 3 Python - A Review of the Basics -- 3.1 Language Model: Perl versus Python -- 3.2 Numbers -- 3.3 Python Containers: Sequences -- 3.3.1 Strings -- 3.3.2 Tuples -- 3.3.3 Lists -- 3.3.4 Xrange Sequences -- 3.4 Python Containers: Dictionaries -- 3.5 Built-in Types as Classes -- 3.5.1 String Type as a Class -- 3.5.2 Numeric Types as Classes -- 3.6 Subclassing the Built-in Types -- 3.6.1 Subclassing the String Type -- 3.6.2 Subclassing the Integer Type -- 3.7 Terminal and File I/O -- 3.7.1 Terminal I/O -- 3.7.2 File I/O -- 3.7.2.1 I/O for Text Files -- 3.7.2.2 I/O for Binary Files -- 3.8 User-defined Functions -- 3.8.1 A Function Is an Object -- 3.8.2 The Object Returned by a Function Call -- 3.8.3 Default Arguments for Function Parameters -- 3.8.4 Functions Can Be Called with Arbitrary Number of Arguments -- 3.8.5 Functions Can Be Called with Keyword Arguments -- 3.8.6 Anonymous Functions with Lambda Expressions -- 3.8.7 Closures -- 3.9 Control Structures -- 3.9.1 When Is a Conditional True or False? -- 3.9.2 Complex Conditionals -- 3.10 Modules in Python -- 3.10.1 Importing a Module -- 3.10.2 Importing Specific Names from a Module -- 3.11 Scoping Rules, Namespaces, and Name Resolution -- 3.11.1 Nested Namespaces -- 3.11.2 Name Resolution for Imported Modules. 3.11.3 What about the Names Imported with from...import Syntax? -- 3.11.4 Deeply Nested Namespaces and the global Declaration -- 3.11.5 Python Is Lexically Scoped -- 3.12 The eval() Function -- 3.13 map() and filterQ Functions -- 3.14 Interacting with the Directory Structure -- 3.14.1 File Tests -- 3.14.2 Taking Advantage of Shell's Globbing -- 3.14.3 Scanning a Directory Tree -- 3.15 Launching Processes -- 3.15.1 Launching a Child Process with os.system( ) -- 3.15.2 os.exec Functions for Launching External Commands -- 3.15.3 Launching a Child Process with os.fork( ) -- 3.15.4 os.popen( ) for Interprocess Communication -- 3.16 Sending and Trapping Signals -- 3.17 Credits and Suggestions for Further Reading -- 3.18 Homework -- 4 Regular Expressions for String Processing -- 4.1 What is an Input String? -- 4.2 Simple Substring Search -- 4.3 What is Meant by a Match between a Regex and an Input String? -- 4.4 Regex Matching at Line and Word Boundaries -- 4.5 Character Classes for Regex Matching -- 4.6 Specifying Alternatives in a Regex -- 4.7 Subexpression of a Regex -- 4.8 Extracting Substrings from an Input String -- 4.8.1 Other Uses of Parentheses in Regular Expressions -- 4.9 Abbreviated Notation for Character Classes -- 4.10 Quantifier Metacharacters -- 4.10.1 Greediness of Quantifiers -- 4.10.2 The Sometimes Unintended Consequence of Greedy Quantifiers -- 4.10.3 Nongreedy Quantifiers -- 4.10.4 Perl and Python Example Scripts with Quantifiers -- 4.11 Match Modifiers -- 4.11.1 Case-Insensitive Matching -- 4.11.2 Going Global -- 4.11.3 Input Strings Consisting of Multiple Lines -- 4.11.4 Multiline Regular Expressions -- 4.11.5 Other Match Modifiers -- 4.12 Splitting Strings -- 4.12.1 Joining Strings -- 4.13 Regexes for Search and Replace Operations -- 4.14 Credits and Suggestions for Further Reading -- 4.15 Homework -- 5 References in Perl. 5.1 Referencing and Dereferencing Operators (Summary) -- 5.2 Referencing and Dereferencing a Scalar -- 5.3 Referencing and Dereferencing a Named Array -- 5.4 Referencing and Dereferencing an Anonymous Array -- 5.5 Referencing and Dereferencing a Named Hash -- 5.6 Referencing and Dereferencing an Anonymous Hash -- 5.7 Referencing and Dereferencing A Named Subroutine -- 5.8 Referencing and Dereferencing An Anonymous Subroutine -- 5.9 Subroutines Returning References to Subroutines -- 5.10 Closures -- 5.11 Enforcing Privacy in Modules -- 5.12 References to Typeglobs -- 5.13 The ref() Function -- 5.14 Symbolic References -- 5.14.1 Symbolic References to Subroutines -- 5.15 Credits and Suggestions for Further Reading -- 5.16 Homework -- 6 The Notion of a Class in Perl -- 6.1 Defining a Class in Perl -- 6.1.1 Blessing an Object into a Package -- 6.1.2 Providing a Class with a Constructor -- 6.1.3 Data Hiding and Data Access Issues -- 6.1.4 Packaging a Class into a Module -- 6.2 Constructors Can Be Called with Keyword Arguments -- 6.3 Default Values for Instance Variables -- 6.4 Instance Object Destruction -- 6.4.1 Destructors and the Problem of Circular References -- 6.5 Controlling the Interaction between DESTROY( ) and AUTOLOAD( ) -- 6.6 Class Data and Methods -- 6.7 Reblessing Objects -- 6.8 Operator Overloading and Class Customization -- 6.9 Credits and Suggestions for Further Reading -- 6.10 Homework -- 7 The Notion of a Class in Python -- 7.1 Defining a Class in Python -- 7.1.1 Constructors and System-Supplied Attributes -- 7.1.2 Class Definition: The Syntax -- 7.2 New-Style Versus Classic Classes in Python -- 7.3 Defining Methods -- 7.3.1 A Method Can Be Defined Outside a Class -- 7.3.2 Bound and Unbound Methods -- 7.3.3 Using __getattr__( ) as a Catch-All for Nonexistent Methods -- 7.3.4 __getattr__( ) versus __getattribute__( ). 7.4 Destruction of Instance Objects -- 7.5 Encapsulation Issues for Classes -- 7.6 Defining Class Variables, Static Methods, and Class Methods -- 7.6.1 An Instance Variable Hides a Class Variable of the Same Name -- 7.7 Private Data Attributes and Methods -- 7.8 Defining a Class with Slots -- 7.9 Descriptor Classes in Python -- 7.10 Operator Overloading and Class Customization -- 7.11 Credits and Suggestions for Further Reading -- 7.12 Homework -- 8 Inheritance and Polymorphism in Perl -- 8.1 Inheritance in Mainstream OO -- 8.2 Inheritance and Polymorphism in Perl: Comparison with Mainstream OO Languages -- 8.3 The ISA Array for Specifying the Parents of a Class -- 8.4 An Example of Class Derivation in Perl -- 8.5 A Small Demonstration of Polymorphism in Perl OO -- 8.6 How a Derived-Class Method Calls on a Base-Class Method -- 8.7 The UNIVERSAL Class -- 8.7.1 Adding Functionality to the UNIVERSAL class -- 8.8 How a Method is Searched For in a Class Hierarchy -- 8.9 Inherited Methods Behave As If Locally Defined -- 8.10 Destruction of Derived-Class Instances -- 8.11 Diamond Inheritance -- 8.12 On the Inheritability of a Class -- 8.13 Local Variables and Subroutines in Derived Classes -- 8.14 Operator Overloading and Inheritance -- 8.15 Credits and Suggestions for Further Reading -- 8.16 Homework -- 9 Inheritance and Polymorphism in Python -- 9.1 Extending a Class in Python -- 9.2 Extending a Base-Class Method in a Single-Inheritance Chain -- 9.3 A Simple Demonstration of Polymorphism in Python OO -- 9.4 Destruction of Derived-Class Instances in Single-Inheritance Chains -- 9.5 The Root Class object -- 9.6 Subclassing from the Built-In Types -- 9.6.1 Subclassing the Built-In dict -- 9.6.2 Subclassing the Built-In list -- 9.6.3 Subclassing the Built-In tuple -- 9.7 On Overriding __new__( ) and __init__( ) -- 9.8 Multiple Inheritance. 9.8.1 Method Resolution Order for Classic Classes. |
| Record Nr. | UNINA-9910813993503321 |
|
Kak Avinash C
|
||
| Hoboken, N.J., : Wiley-Interscience, c2008 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||