Grokking Go
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Introduction to File Handling

File handling is an essential part of programming, allowing applications to store, retrieve, and manipulate data in external files. In Go, the os and io packages provide built-in support for working with files efficiently.

Why is File Handling Important?

File handling is used in various real-world applications, including:

  • Storing Data Persistently → Save user preferences, logs, and configurations.
  • Reading Large Datasets → Process text files, CSV files, or JSON data.
  • Writing Logs → Maintain system logs and debugging information.

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