hilite.scala

/*
 This program is free software. It comes without any warranty, to
 the extent permitted by applicable law. You can redistribute it
 and/or modify it under the terms of the Do What The Fuck You Want
 To Public License, Version 2, as published by Sam Hocevar. See
 http://sam.zoy.org/wtfpl/COPYING for more details.


 Uses "http://www.hilite.me/api"

 stdin:      cat hilite.scala | scala hilite.scala
 file:       scala hilite.scala hilite.scala
 expression: scala hilite.scala "val hello = \"Hello World\""
*/

import scala.io.Source
import java.net.{URL, HttpURLConnection}
import java.io.File
import java.net.URLEncoder.encode

val code = args match {
  case Array() => Source.stdin.mkString
  case Array(path) if(new File(path).isFile) => Source.fromPath(path).mkString
  case Array(expr) => expr
  case _ => 
    Console.err.println("accepts single argument file/expression or data from stdin")
    exit(1)
}

val c = new URL("http://www.hilite.me/api").openConnection().asInstanceOf[HttpURLConnection]
c.setRequestMethod("POST")
c.setDoOutput(true)
c.getOutputStream.write(("lexer=scala&code="+encode(code.mkString, "UTF-8")).getBytes)
Source.fromInputStream(c.getInputStream).getLines().foreach(println)