Data commit

Task/Sparkline-in-unicode/Nim/sparkline-in-unicode.nim

@@ -0,0 +1,18 @@
+import rdstdin, sequtils, strutils
+
+const bar = ["\u2581", "\u2582", "\u2583", "\u2584", "\u2585", "\u2586", "\u2587", "\u2588"]
+const barcount = float(bar.high)
+
+while true:
+  let
+    line = readLineFromStdin "Numbers please separated by space/commas: "
+    numbers = line.split({' ', ','}).filterIt(it.len != 0).map(parseFloat)
+    mn = min(numbers)
+    mx = max(numbers)
+    extent = mx - mn
+  var sparkline = ""
+  for n in numbers:
+    let i = int((n - mn) / extent * barcount)
+    sparkline.add bar[i]
+  echo "min: ", mn.formatFloat(precision = 0), "; max: ", mx.formatFloat(precision = -1)
+  echo sparkline