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RubyTapas

Short Screencasts of Gourmet Ruby, by Avdi Grimm

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Tag: environment

Environment.

  • ENV is a hash-like accessor for environment variables.
  • (ENV is among the Pre-defined variables and global constants.)

Episode #677
Direnv and Dotenv

Avdi Grimm June 21, 2021

direnv and dotenv: both utilities for managing 12-Factor-style environment-based configuration. Where do they overlap, how do they differ, and, most importantly: how can they complement each other? Find out!

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Episode #665
.env for Devcontainers

Avdi Grimm March 14, 2021

Nobody likes repeatedly typing out lengthy command-line incantations. Today let's make our containerized work easier by customizing our environment!

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Episode #500: Subprocesses Part 12: Fork and Exec

Avdi Grimm October 9, 2017

Learn the twin pillars at the root of the UNIX process-spawning architecture!

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Episode #427: Subprocesses Part 8: Environmental Isolation

Avdi Grimm July 18, 2016

In today's episode we'll see how to discover what environment variables our programs are implicitly relying on.

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Episode #010: Finding $HOME

Avdi Grimm October 15, 2012

How to reliably discover a user's home directory.

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