[Gradle] copy file, replace, rename

mycopy.gradle

task mycopy << {
    println "$projectDir"
    File filea = file 'filea.txt'
    println filea.name
    copy {
        from "./"
        into "./"

        filter { line ->
            line.replaceAll '<FIX_ME>', 'FIXED!!'
        }
        include 'filea.txt'

        rename 'filea.txt', 'newfilea.txt'
    }
}