Groovy code to compare to directory trees and copy different files over

compare-and-copy-files.groovy

def path1 = new File(args[0]).absolutePath
def path2 = new File(args[1]).absolutePath

def different = compareDirs(path1, path2)
different.files.each {
    println it.from
    new AntBuilder().copy ( file: it.from.absolutePath, tofile : it.to.absolutePath )
}

println different.files.size() + ' of ' + different.count


def compareDirs(path1, path2) {
    
    def different = []
    def count = 0;
    def dir = new File(path1)
    def dir2 = new File(path2)
    dir.listFiles().each {
	def filePath = it.absolutePath
	if( !filePath.matches('.+\\.svn.+') ) {

	    def compare = new File(dir2.absolutePath + java.io.File.separator + it.name)
	    if( it.isDirectory() ) {
		def dirResults = compareDirs(it.absolutePath, compare.absolutePath)
		different += dirResults.files
		count += dirResults.count
	    } else {
		count++
		if( !compare.exists() || !it.text.equals(compare.text) ) {
		    different << [ from: it, to: compare ]
		}
	    }
	}
    }
    return [ files: different, count: count ]
}