Introduction

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A fundamental part of any developer’s life is interacting with files. They represent data that must be processed and configured for our systems, cached items that can be served, and many other uses.

One of Go’s strongest features is its abstraction of file interfaces, which allows a common set of tools to interact with streams of data from disks and networks. These interfaces set a common standard that all major packages use to export their data streams. Moving from one to another just becomes an exercise in accessing the filesystem with the necessary credentials.

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