Evaluate Ruby snippets and capture stdout, stderr, and return values.

gem install dorian-eval

Also included in the aggregate gem:

gem install dorian

eval [options] "ruby code"

Run eval -h for generated option details and eval -v for the installed version.

• The library exposes Dorian::Eval.eval. The executable prints the returned result object.

eval "1 + 1" --returns

require "dorian/eval"

result = Dorian::Eval.eval(ruby: "1 + 1", fast: true)
result.returned # => 2