Groovy snippet to resolve component ID from name

//-------------------------------------------------------------------
// Set up
//-------------------------------------------------------------------
import groovy.json.JsonSlurper
slurper = new JsonSlurper()
serverUrl = 'https://localhost:9443'
client = '/Users/clarkeb/urbancode/agent/opt/udclient/udclient.jar'
token = '42cf3d77-607d-4b4e-aafe-c4d36b89a318'
String compName = args[0]

//-------------------------------------------------------------------
// Main
//-------------------------------------------------------------------
String compId = getCompId(compName)
println compId

//-------------------------------------------------------------------
// Subs
//-------------------------------------------------------------------
String getCompId (String componentName) {
        def command = ['java', '-jar', client, '--authtoken', token, 
             '--weburl', serverUrl, 'getComponent', '--component', componentName]

        def result = command.execute()
        def json = result.text
        def compId = slurper.parseText(json).id
        return(compId)
}