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Python has IPython.. does OCaml have anything similar?
I'd very much like to have command history, although other features would be nice too. I've read that I could get command history by running it in Emacs, but I don't use Emacs..
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In short, the toplevel is OCaml's Read-Eval-Print-Loop (repl) allowing interative use of the OCaml system. You can consider the toplevel an alternative to compiling OCaml into an executable.
In a terminal window, type utop to start the interactive OCaml session, commonly called the toplevel. Press Control-D to exit the toplevel. You can also enter #quit;; and press return. Note that you must type the # there: it is in addition to the # prompt you already see.
rlwrap gives you readline features (history, editing commands, etc). Also, Findlib adds some functionality, see the quickstart for examples.
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There's utop! It has autocompletion, is emacs compatible and so on.
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