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CodeSignal

Fundamentals of Text Data Manipulation in Scala

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Overview

Explore the basics of text data manipulation. Learn techniques to read and write files efficiently, delving into line-by-line and character-by-character parsing to build a strong foundation in handling textual data using Scala.

Syllabus

  • Unit 1: Reading Text Files in Scala with os-lib
    • Defining Relative File Path with os.pwd
    • Reading and Displaying Text File Contents with os-lib
    • Creating File to Read with Scala
    • Complete File Reading with os-lib
  • Unit 2: Reading Files Line-by-Line in Scala
    • Reading the First Line from a File
    • Reading Numbers from a File and Calculating Their Sum
    • Reading and Calculating Average Temperature from a File
    • Reading and Sorting Names from a File
  • Unit 3: Reading Files Character-by-Character with InputStream
    • Reading the First Character of a File
    • Reading the First 100 Characters of a File
    • Sequential File Reading with os-lib
    • Managing InputStream to Read a File
  • Unit 4: Writing and Appending to Files in Scala
    • Enhancing File Handling by Reading and Writing Data
    • Writing an API Key to a File Using os-lib
    • Appending Names to an Existent File
    • Reading Numbers from a File and Writing Their Sum

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