My Solution to the weather problem

src/main/scala/DataMunging.scala

@@ -0,0 +1,40 @@
+/**
+  * Created by idarlington on 2/26/17.
+  */
+object DataMunging {
+
+  case class weatherLine(
+                          dayNumber : Int,
+                          maxTemperature : Double,
+                          minTemperature : Double
+                        )
+
+  def temperatureDiff (a : weatherLine, b : weatherLine) = {
+    (a.maxTemperature - a.minTemperature) > (b.maxTemperature - b.minTemperature)
+  }
+
+  def main(args: Array[String]) = {
+    /** Read Contents of file **/
+    val filename = "weather.dat"
+    val fileLines = io.Source.fromFile(filename).getLines().toList
+
+    /** filter empty lines **/
+    val filteredFileLines = fileLines.filter(l => l != "")
+
+    /** remove header and footer from data  and split lines into Array of Strings **/
+    val lines =  filteredFileLines.tail.init.map(l => l.split(" "))
+
+    /** filter out empty indices from array and remove asterisks from data **/
+    val filteredLines = lines.map(l => l.filter(_ != "").map(s => s.replaceAll("[*]", "")))
+
+    /** store required data in weatherline instances  **/
+    val weatherLines = filteredLines.map(l => weatherLine(l(0).toInt,l(1).toDouble,l(2).toDouble))
+
+    /** sort with temperature difference **/
+    val sortedData = weatherLines.sortWith(temperatureDiff)
+    val maxTempSpread = sortedData.head
+
+    println("Day " + maxTempSpread.dayNumber + " has Max Temperature spread of " + (maxTempSpread.maxTemperature - maxTempSpread.minTemperature))
+
+  }
+}