Python 实现WC功能

def recursive(list):
    f_list = os.listdir(list)
    return f_list

def str_count(name):
    with open(name, ‘r‘, encoding=‘UTF-8‘) as f:
        n = 0
        for line in f.readlines():
            n += len(line)
    return n

def line_count(name):
    with open(name, ‘r‘, encoding=‘UTF-8‘) as f:
        n = 0
        for line in f:
            n += 1
    return n

import re

def words_count(name):
    with open(name, ‘r‘, encoding=‘UTF-8‘) as f:
        n = 0
        for line in f.readlines():
            list_match = re.findall(‘[a-zA-Z]+‘, line.lower())
            n += len(list_match)
    return n

def code_count(name):
    with open(name, ‘r‘, encoding=‘UTF-8‘) as f:
        code_lines = 0
        comm_lines = 0
        space_lines = 0
        for line in f.readlines():
            if line.strip().startswith(‘#‘):
                comm_lines += 1
            elif line.strip().startswith("‘‘‘") or line.strip().startswith(‘"""‘):
                comm_lines += 1
            elif line.count(‘"""‘) == 1 or line.count("‘‘‘") == 1:
                while True:
                    line = f.readline()
                    comm_lines += 1
                    if ("‘‘‘" in line) or (‘"""‘ in line):
                        break
            elif line.strip():
                code_lines += 1
            else:
                space_lines += 1

    return code_lines, comm_lines, space_lines

def wc(f, arg):
    if arg[1] == ‘-c‘:
        str_num = str_count(f)
        print(f + "文件字符数为: ", str_num)
    elif arg[1] == ‘-w‘:
        word_num = words_count(f)
        print(f + "文件单词数为：", word_num)
    elif arg[1] == ‘-l‘:
        line_num = line_count(f)
        print(f + "文件行数为：", line_num)
    elif arg[1] == ‘-a‘:
        code_lines_num, comm_lines_num, space_lines_num = code_count(f)
        print(f + "文件代码行为：", code_lines_num)
        print("注释行为：", comm_lines_num)
        print("空行为：", space_lines_num)