Essential Programming for Linguistics
2010; Association for Computational Linguistics; Volume: 36; Issue: 4 Linguagem: Inglês
10.1162/coli_r_00027
ISSN1530-9312
Autores Tópico(s)Natural Language Processing Techniques
Resumo1 Introduction 1.1 Why Use Perl? 1.2 The Command Prompt/Console 1.3 How to Navigate a File System 1.3.1 Understanding File System Hierarchies 1.3.2 Navigating Through File Systems 1.4 Plain Text Editors 1.5 Installing Perl and Perl/Tk on Your Computer 1.5.1 Installing Perl 1.5.2 Installing the Perl/Tk Toolkit 2 Basic Programming Concepts - 1 2.1 How to Issue Instructions (Statements) 2.2 How to Store Data in Memory (Variables) 2.3 What to Store & How (Basic Data Types) 2.3.1 Scalars 2.3.2 Arrays 2.3.3 Hashes 2.4 Understanding About Defaults (Special Variables) 2.5 Making Your Code More Intelligible (Comments) 3 Basic Programming Concepts - 2 3.1 Making Decisions (Flow Control) 3.2 Doing Repetitive Tasks Automatically (Basic for Loops) 3.2.1 The for Loop 3.2.2 Iterating over Array Elements 3.2.3 The foreach Loop 3.3 More Repetitiveness (Further Loops) 3.3.1 The while loop 3.3.2 The until Loop 3.3.3 Controlling Loops Further 4 Working with Text (Basic String Handling) 4.1 Chomping & Chopping 4.2 Extracting a Substring from a Longer String 4.3 'Adding' Strings Together 4.4 Establishing the Length of a String 4.5 Handling Case 5 Working with Stored Data (Basic File Handling) 5.1 Opening a Filehandle 5.2 Tweaking Your Input and/or Output Options 5.3 Reading from a Filehandle 5.3.1 File Processing in List Context 5.3.2 File Processing in Line Context 5.3.3 Slurping in Scalar Context 5.4 Default Filehandles 5.5 Writing to a Filehandle 5.6 Working with Directories 6 Identifying Textual Patterns (Basic & Extended Regular Expressions) 6.1 Matching 6.2 Character Classes 6.3 Quantification 6.4 Grouping, Alternation & Anchoring 6.5 Memorising 6.6 Modifiers 6.7 Extended Regular Expressions 7 Modifying Textual Patterns (Substitution & Transliteration) 7.1 Substitution 7.2 Greediness 7.3 A Very Brief Introduction to Markup Languages (SGML, HTML & XML) 7.4 Transliteration 8 Getting Things Into the Right Order (Basic Sorting) 8.1 Keys & Sort Order 8.2 'Vocabulary Handling' (Creating Simple Word Lists) 9 Elementary Texts Stats (Creating Basic Frequency Lists) 9.1 Complex Sorting 9.2 Word Frequency Lists 9.3 Implementing a List 9.4 Sorting & Printing the List 10 More Repetitiveness or How to Tie Things Together (Introducing Modularity) 10.1 Functions & Subroutines 10.1.1 Creating Your Own Subroutines 10.1.2 Calling a Subroutine 10.1.3 Localising Variables & Being Strict With Yourself 10.2 References & Modules 10.2.1 Basic Named References 10.2.2 Anonymous References 10.2.3 What Do Modules Look Like? 10.2.4 Importing & Using Modules 10.2.5 Writing a Simplistic HTML Page Downloader and Parser 11 Objects 11.1 OO Concepts 11.2 Creating an Object in Perl 11.3 Creating a Regular Verb Object 11.4 Instantiating the Verb Object 11.5 Creating Appropriate Accessor Methods 12 Getting Graphical (Simple User Interfaces) 12.1 Elements of a GUI 12.2 Basic Steps in Creating Tk Programs 12.3 Adding Widgets 12.4 The GUI Concordancer - An Advanced Example 12.4.1 Adding a Menu Bar & the Remaining GUI Elements 12.4.2 Programming the Functionality 12.4.3 Handling the Text Widget 13 Conclusion Appendix A - Sample Solutions Appendix B - How to Get Further Help on Perl References
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