From: Eric Anderson <redmine@...>
Date: 2011-01-14T09:45:32+09:00
Subject: [ruby-core:34477] [Ruby 1.9-Feature#4265] Provide a core method Kernel#ruby for invoking a new Ruby instance

Issue #4265 has been updated by Eric Anderson.


I don't think it is a clean environment (I think it forks the parent process so you have a copy of everything it had) but does the following handle many of these cases? It gives you an isolated environment plus a way to talk to the parent process if you want.

IO.popen('-') {puts "I'm in a new ruby interpreter"}
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http://redmine.ruby-lang.org/issues/show/4265

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