1

I run Scheme either as: rlwrap scheme, option which let's me use up/down left/right arrows, but that disables tab. Or as scheme option that let's me indent commands with tab, but disables the arrows.

I want both to be able to type things like:

(* (+ 3 4)

. (+ 4 6)

. (+ 55 55)

. )

without typing empty spaces. AND to move to previous command or back and forth with arrows. How can I configure it?

  • You might find more scheme users at stackoverflow – Jeff Schaller Sep 3 '16 at 20:56
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    Not sure if this is what you want, but you can enter a tab char to readline using the literal-next prefix, control-V tab. (see man stty for lnext). – meuh Sep 4 '16 at 10:06
1

I doubt that you'll find a line-based command line interface that caters for indentation. Line editors are primarily designed to handle line-by-line input, for which indentation is not a concern.

You can get a more comfortable interface by running MIT Scheme in Emacs. From emacs, type M-x run-scheme RET. Then you benefit from all of Emacs's editing capabilities and configurability.

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