15 lines
882 B
Scala
15 lines
882 B
Scala
import java.net.{URL, URLEncoder}
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import scala.io.Source.fromURL
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val allTasksURL = "http://www.rosettacode.org/w/api.php?action=query&list=categorymembers&cmtitle=Category:Programming_Tasks&cmlimit=500&format=xml"
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val allTasks = xml.parsing.XhtmlParser(fromURL(new URL(allTasksURL)))
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val regexExpr = "(?i)==\\{\\{header\\|".r
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def oneTaskURL(title: String) = "http://www.rosettacode.org/w/index.php?title=%s&action=raw" format URLEncoder.encode(title.replace(' ', '_'), "UTF-8")
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def count(title: String) = regexExpr findAllIn fromURL(new URL(oneTaskURL(title)))(io.Codec.UTF8).mkString length
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val counts = for (task <- allTasks \\ "cm" \\ "@title" map (_.text)) yield scala.actors.Futures.future((task, count(task)))
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counts map (_.apply) map Function.tupled("%s: %d examples." format (_, _)) foreach println
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println("\nTotal: %d examples." format (counts map (_.apply._2) sum))
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