Works for me.  I.e., type "foo" at the prompt, followed by <Enter>. New empty prompt appears. Hit cursor up, and "foo" is back for you to edit.  This is what I understood the OP wanted...

If that doesn't work, you're likely either on Windows, or don't have Term::ReadLine::Gnu installed.

In reply to Re^3: Simulating Command Line History in Perl by almut
in thread Simulating Command Line History in Perl by Only1KW

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