def binding = [

     firstname : "Grace",

     lastname  : "Hopper",

     accepted  : true,

     title     : 'Groovy for COBOL programmers'

 ]

 def engine = new groovy.text.GStringTemplateEngine()

 def text = '''\

 Dear <%= firstname %> $lastname,

 We <% if (accepted) print 'are pleased' else print 'regret' %> \

 to inform you that your paper entitled

 '$title' was ${ accepted ? 'accepted' : 'rejected' }.

 The conference committee.

 '''

 def template = engine.createTemplate(text).make(binding)

 println template.toString()

String stringFromDatabase = 'Hello ${name}!'

String name = 'world'

def engine = new groovy.text.SimpleTemplateEngine()

assert 'Hello world!'== engine.createTemplate(stringFromDatabase).make([name:name]).toString()