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philcali/golf.scala

Created August 6, 2012 16:05
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golf.scala
val Dollar = """\$\s*(\d+\.\d+)\s*""".r
import Dollar.{ findFirstMatchIn => line }
import io.Source.{ fromFile => open}
val sum = (0.00 /: open("expenses.txt").getLines)(_ + line(_).map(_.group(1).toDouble).getOrElse(0.0))
println("Total is: $%.2f" format sum)
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