question: public static < T > T eachLine ( URL url , String charset , @ ClosureParams ( value = FromString . class , options = { "String" , "String,Integer" } ) Closure < T > closure ) throws IOException { return eachLine ( url , charset , 1 , closure ) ; }
target:  Iterates through the lines read from the URL's associated input stream passing each line to the given 1 or 2 arg closure. The stream is closed before this method returns.