By dotCore
via ithaca.arpinum.org
Submitted: Jan 21 2013 / 00:17
Recently I’ve been working with REPLs a lot. In many cases, the REPL has Readline support built in. This means that you can use the Up and Down arrows to scroll through the history of the commands you’ve entered, and often you will even be able to auto-complete language builtins using Tab.
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