sg = "ls"
def sout new StringBuilder(), serr new StringBuilder()
def proc = ["/bin/bash", "-c", sg].execute()
proc.consumeProcessOutput(sout, serr)
proc.waitForOrKill(150000)
println "out> $sout err> $serr"
http://www.voidcn.com/article/p-hphwqllw-bsm.html