Groovy script to generate addition table quizzes for kids.

TestGen.groovy

def getRandomNumber() {
    randomInt = new Random().nextInt(11)
}

def buildCell() {
    """${getRandomNumber()} <br>
       + ${getRandomNumber()} <br>
      <hr width=40px>
    """
}

def createHtmlFile(String fileName){
    int rows = 5
    int colsPerRow = 8

    def writer = new StringWriter()
    def builder = new groovy.xml.MarkupBuilder(writer)
    builder.html(){
        body {
            table(cellpadding:'20px') {
                rows.times {
                    tr {
                        colsPerRow.times {
                            td([align:'right', style:'font-size:18px'], { mkp.yieldUnescaped (buildCell()) })
                        }
                    }
                }
            }
        }
    }

    def f = new File("/tmp/$fileName")
    f.delete()
    f << writer.toString()
}

40.times {
    createHtmlFile("${it}.html")
}