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【Scala】用于统计源代码行数

作者:Duncan / 发布于2014/11/18/ 1109


	#!/bin/sh
	exec /opt/analysis/analysis "$0" "$@"
	!#

	import scalax.file._
	import scalax.file.ImplicitConversions._

	val dirs = if (args.size>0) args.toList else List(".")
	val exts = List(
	 "scala","xml","drl","java","ksh","sh","sql","sbt","properties","conf"
	)

	val excludes = List( "/examples/", "/target/").map(_.r)

	case class Result(source:Path, from:String) {
	lazy val lines = source.lines().size
	val ext = source.name.split("[.]").last
	}

	val sources:List[Result] =
	 for {
	 dir <- dirs
	 found <- (dir ** "*.*").filter(_.isFile).toList
	 if !excludes.exists(_.findFirstIn(found.path).isDefined)
	 if exts.exists(ext => found.name.endsWith("."+ext))
	 } yield Result(found, dir)

	def showstat4(sources:List[Result], title:String) {
	 println("----------------------------")
	 println(title)
	 val lines=sources.map(_.lines).sum
	 println(s"global lines count : $lines (in ${sources.size} files)")

	 for {
	 (ext, sources4ext) <- sources.groupBy(_.ext)
	 } {
	 val count = sources4ext.map(_.lines).sum
	 println(s"lines count for $ext : $count (in ${sources4ext.size} files)")
	 }
	}

	showstat4(sources, "All directories")
	for {(dir, sources4dir) <- sources.groupBy(_.from) if dirs.size>1 }
	 showstat4(sources4dir, s"For directory : $dir")

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　源代码　　行数　

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