Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Suppose I have a command line interface tool that doesn't have any notion of 'history'. Would it be possible to write a small script that merely does readlines and forwards them to the tool, but that also stores these lines inside a history?

(I noted that while read line; do echo $line; done doesn't support history, either...)

share|improve this question
up vote 2 down vote accepted

Yes. You want rlwrap, packaged in many distributions, or at

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.