Makes a large csv file

MakeLargeCsvFile.groovy

#!/usr/bin/env groovy

// Run with: groovy MakeLargeCsvFile.groovy -r 12 --file a.csv

import groovy.text.SimpleTemplateEngine

def appName = this.getClass().getName()
def cli = new CliBuilder(usage:"${appName} --rows <row count> --file <path_to_file>")
cli.with {
    r(longOpt: 'rows', 'expected row count', args: 1, required: true)
    f(longOpt: 'file', 'File to Write', args: 1, required: true)
}

def templateIn = '${row};${valueEtt};${valueTva};${valueTree}\n'
def options = cli.parse(args)

if (!options) return
    if (options.h) cli.usage()

int rowCnt = options.r.toInteger()

File outputFile = new File(options.f)
FileWriter writer = new FileWriter(outputFile)

def engine = new groovy.text.SimpleTemplateEngine()

(1..rowCnt).each{ idx ->

    def binding = [row:idx, valueEtt:"value_ett_${idx}", valueTva:"value_tva_${idx}", valueTree:sprintf("%020d_%020d", idx, idx)]
    def template = engine.createTemplate(templateIn).make(binding)

    print "."
    if ((idx % 100) == 0) {
    	print "(${idx})"
    }
    writer.write(template.toString())
}

writer.flush()
writer.close()

println "Created File: '${outputFile.absolutePath}' with ${rowCnt} rows (${outputFile.length()} bytes)"

Changed typo