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When bash has vi bindings available (set -o vi), up/down arrows work in both command and insertion mode. When I setup readline's ~/.inputrc to use vi mode (set editing-mode vi), applications like irb don't get the arrow functionality. I've tried "set enable-keypad on" in inputrc to no effect.

How do I get bash-like arrow functionality in other readline aware applications?

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Did you figure this out by any chance? :) – Gerald Kaszuba May 3 '12 at 4:50
This seems like a bug just in Ruby 1.9's IRB Readline support, because the arrow keys work elsewhere (interactive Python shell, using rlwrap with SBCL, Ruby 1.8 IRB, etc) – atomicules Sep 18 '12 at 8:33

It seems to be an issue only with Ruby's readline (and it's still there).

I deal with it by skipping set editing-mode vi if we're using ruby's readline:

$if ruby
  set editing-mode vi



There's not really anything else to do unless ruby's readline gets fixed.

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So far, the only way I've been able to use the up/down arrow keys for history is to press ESC first.

This also works with the j and k keys, as long as ESC is pressed first.

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I find j & k to be a LOT easier to type than the up/down arrows... – jahroy Mar 14 '13 at 2:13

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