Any reason you couldn't do something like: 
%ENV = (
     HOME => $home,
     PATH => '/bin:/usr/bin:/usr/local/bin:/usr/ucb',
);

[download]
Seems a lot simpler than explictly deleting every key of %ENV, and then inserting things one by one.

In reply to Re^2: Can you import ENV variables at run time? by tadman
in thread Can you import ENV variables at run time? by lestrrat

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