Counting words in properties file

countingwordsinpropertiesfile.groovy

List<String> files = ["file1.properties", "file2.properties", "file3.properties"]


Long countWords(File propertiesFile) {
    Long totalWords = 0
    try {        
        InputStream input = new FileInputStream(propertiesFile)
    
        Properties prop = new Properties();
    
        if (input == null) {
            System.out.println("Sorry, unable to find " + propertiesFile);
            return;
        }
    
        prop.load(input);
    
        prop.each { key, value ->
            totalWords += countWords(value)
        }
 
   
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return totalWords
}

Long countWords(String text) {
     return new StringTokenizer(text).countTokens()   
}

Long totalWords = 0
files.each {
    Long thisFileWords = countWords(new File(it))
    println "${it}: ${thisFileWords}"
    totalWords += thisFileWords
}
println "Total words: ${totalWords}"