wc.exe [parameter] [file_name]

// 判断需要处理的是目录还是文件
public static void Checkfile()
{int pathlen = filename.get(0).length();int filelen = 0;String name = null;String file = filename.get(0);// 判断是否为文件名，是否含有通配符if (file.replaceAll("[^//.^//*^//?]", "").length()==0)　　{handleall(file, "");}else{if (file.contains("/")){String[] n = file.split("/");name = n[n.length-1];filelen = name.length();handleall(file.substring(0, pathlen-filelen), deal(name));}else{handleall("", deal(file));}}
}// 实现-s操作：递归读取目录下符合条件的文件，加入List
public static List<String> handleall(String path, String name) {Matcher m = null;if (path.equals("")){dir = new File("src");}else {dir = new File(path);}File[] files = dir.listFiles();if (files == null){System.out.println("该目录为空！");}for (File f : files){if (f.isFile()) {if (name.equals("")){filename.add(f.getAbsolutePath());}else {Pattern p = Pattern.compile(name);m = p.matcher(f.getName());if (m.matches()){filename.add(f.getAbsolutePath());}}}else if (f.isDirectory()) {handleall(f.getAbsolutePath(), name);}}return filename;
}// 按正则表达式处理含通配符的文件名
public static String deal(String name)
{name = name.replace(".", "#");name = name.replaceAll("#", "\\.");name = name.replace("*", "#");name = name.replaceAll("#", ".*");name = name.replace("?", "#");name = name.replaceAll("#", ".?");name = "^" + name + "$";// System.out.println(name);return name;
}// 实现-a操作public static String moredata(int first) throws IOException {int line = 0;int null_line = 0;  // 空行// 用于匹配注释段的起始(/*)与结束(*/),只有当cp1==cp2时注释段才结束int cp1 = 0;    int cp2 = 0;// 标记整段注释的起始行数int note = 0;   int end = 0;int note_line = 0;  // 注释行int code_line = 0;  // 代码行File files = new File(filename.get(first));if (files.exists()) {    // 判断文件是否存在BufferedReader br = new BufferedReader(new FileReader(files));String st = null;while ((st = br.readLine())!=null) {   // 如果文件中最后一行为空行则最后一行不算一行++line;// 将字符串中的空格、回车、换行符、制表符去掉String s = st.replaceAll("\\s*|\t|\r|\n", "");  if (s.equals("") || s.equals("{") || s.equals("}")) {   // 判断空行用s.equals("")// 注释段中的空行不算在空行数中，算在注释行数中if (s.equals("") && cp1!=cp2){;}else {null_line++;}}else if (s.startsWith("//") || s.startsWith("{//") || s.startsWith("}//")){note_line++;}else if (s.startsWith("/*")){cp1++;if (line>note && note!=0){continue;}else {note = line;}}else if (s.endsWith("*/")) {cp2++;if (line>end){end = line;}else {continue;}if (cp2 == cp1){note_line += end-note+1;}}// 代码行=总行数-注释行-空行code_line = line-note_line-null_line;}br.close();System.out.println("文件" + filename.get(first) + "的代码行/空行/注释行 分别为: " + code_line + "/" + null_line + "/" + note_line);return code_line + "/" + null_line + "/" + note_line;} else {System.out.println(files.getPath() + " 文件不存在！");return "no such file!";}}