groovy: logback configuration

Logback configuration is much easier in groovy than in xml:

import ch.qos.logback.classic.encoder.PatternLayoutEncoder
import ch.qos.logback.core.FileAppender
import ch.qos.logback.core.ConsoleAppender
import static ch.qos.logback.classic.Level.DEBUG
import ch.qos.logback.core.status.OnConsoleStatusListener


/*
 * see http://mrhaki.blogspot.in/2010/09/grassroots-groovy-configure-logback.html
 * and http://logback.qos.ch/manual/groovy.html 
 * for logback.groovy examples
 */

appender("FILE", FileAppender) 
{
    def ts = timestamp("yyyy-MM-dd'_'HH-mm-ss")
    
    file = "./logs/trybeTest.${ts}.log"
    append = true
    encoder(PatternLayoutEncoder) 
    {
        pattern = "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
    }
}


appender("CONSOLE", ConsoleAppender) 
{
    //append=true
    encoder(PatternLayoutEncoder) 
    {
      pattern = "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"
    }
}

//logger "scratchpad", DEBUG, ["CONSOLE"]
root DEBUG, ["FILE", "CONSOLE"]