mko mko - 3 months ago 13
Ruby Question

Why does hitting the left arrow in irb give me "^[[D"?

I'm using Ubuntu Server 10 lucid, ruby 1.9.2-p0. In irb, the left arrow shows

^[[D
. Any idea?

Answer

You need to do:

sudo apt-get install libreadline-dev

and then reinstall ruby and irb.

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