15 lines
449 B
Clojure
15 lines
449 B
Clojure
(defn sparkline [nums]
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(let [sparks "▁▂▃▄▅▆▇█"
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high (apply max nums)
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low (apply min nums)
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spread (- high low)
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quantize #(Math/round (* 7.0 (/ (- % low) spread)))]
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(apply str (map #(nth sparks (quantize %)) nums))))
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(defn spark [line]
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(if line
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(let [nums (read-string (str "[" line "]"))]
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(println (sparkline nums))
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(recur (read-line)))))
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(spark (read-line))
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