How can I make a clojure program block until a key is pressed?
I want the equivalent behaviour of a blocking read from stdin in other languages.
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1Yes, it is possible. See http://stackoverflow.com/questions/13435541/reading-unbuffered-keyboard-input-in-clojure – JohnJ Jan 08 '14 at 16:11
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The easiest way is to use ConsoleReader from JLine.
See the Clojure Cookbook for details: https://github.com/clojure-cookbook/clojure-cookbook/blob/master/04_local-io/4-02_read-unbuffered-keystroke.asciidoc
The question in JohnJ's comment (Reading unbuffered keyboard input in Clojure) gives a very similar example to the one in the Cookbook.
