This stuff has been in the major shells for years, through excellent editor integration. For emacs and vi it's pretty much free. If you want to integrate with a different editor, it's totally doable.
Most of the stuff sibling comment is referring to center around the feature:
'edit-and-execute-command' in bash. There is a similar incantation for zsh.
Most of the stuff sibling comment is referring to center around the feature:
'edit-and-execute-command' in bash. There is a similar incantation for zsh.
I summon it with, 'ESC v' in both.