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How can I import environment variables from a shell script into the current Ruby environment?

All shell invocations in Ruby run in a subprocess, whether you use system() or backticks or Process or any other mechanism to execute them. It is not possible for a subprocess like this to effect the current Ruby process.

If you want to source a shell script prior to executing some Ruby code, you can create a wrapper:


source foo.sh
ruby some_ruby_file.rb

If you really want to, you can try to parse out variable exports from the shell script and then set Ruby's ENV hash directly, but that's almost certainly a bad idea. It'd be hard to write, error-prone, and unmaintainable.

Either use a wrapper as above, or come up with a different way to save your environment config, such as a YAML file or some other conventional configuration solution.

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