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real language
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Language Scala
(GrabbaBeer & CaseOfBeers)
| Date: | 05/30/09 |
| Author: | D Mackenzie |
| URL: | n/a |
| Comments: | 0 |
| Info: | http://www.scala-lang.org |
| Score: |  (2.91 in 11 votes) |
import io.Source
// Lazy, brittle "rob the store" version
object GrabbaBeer extends Application {
val buf = new StringBuilder; for (c <-
Source.fromURL("http://99-bottles-of-beer.net/lyrics.html")) buf.append(c)
val Pat = "<p>(.*?)<br/?>\\s*(.*?)</p>".r
for (Pat(l1, l2) <- Pat findAllIn buf) println(l1 + "\n" + l2 + "\n")
}
// Law-abiding concise version.
object CaseOfBeers extends Application {
def qty(n: Int) = (n match {case 0 => "no more bottles" case 1 => "1 bottle" case n => n + "
bottles"}) + " of beer"
for (b <- 99 to 0 by -1)
println(qty(b).capitalize + " on the wall, " + qty(b) + "." +
(if (b > 0) "\nTake one down and pass it around, " + qty(b - 1) + " on the wall.\n"
else "\nGo to the store and buy more beer, " + qty(99) + " on the wall."))
}
// Cheers!
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Alternative Versions
| Version | Author | Date | Comments | Rate |
|---|---|---|---|---|
| Scala with a vengeance | Eduardo Costa | 09/16/09 | 0 | |
| Fun semi-DSL readable version | Calum Leslie | 01/31/08 | 0 | |
| Animated version | D Mackenzie | 10/02/09 | 0 | |
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