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Python 统计文本中单词的个数

發布時間:2025/6/15 45 豆豆
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1.讀文件,通過正則匹配

1 def statisticWord(): 2 line_number = 0 3 words_dict = {} 4 with open (r'D:\test\test.txt',encoding='utf-8') as a_file: 5 for line in a_file: 6 words = re.findall(r'&#\d+;|&#\d+;|&\w+;',line) 7 for word in words: 8 words_dict[word] = words_dict.get(word,0) + 1 #get the value of word, default is 0 9 sort_words_dict = OrderedDict(sorted(words_dict.items(),key = lambda x : x[1], reverse = True)) 10 # sort_words_dict = sorted(words_dict, key = operator.itemgetter(1)) 11 with open(r'D:\test\output.txt',encoding = 'utf-8', mode='w') as b_file: 12 for k,v in sort_words_dict.items(): 13 b_file.write("%-15s:%15s" % (k,v)) 14 b_file.write('\n')

2. 通過命令行參數

def statisticWord2():if len(sys.argv) == 1 or sys.argv[1] in {"-h", "--help"}:print("usage: filename_1 filename_2 ... filename_n")sys.exit()else:words = {}strip = string.whitespace + string.punctuation + string.digits + "\"'"for filename in sys.argv[1:]:for line in open(filename):for word in line.split():word = word.strip(strip) # remove all the combination of strip in prefix or suffixif len(word) >= 2:words[word] = words.get(word, 0) + 1for word in sorted(words):print("'{0}' occurs {1} times".format(word,words[word]))

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轉載于:https://www.cnblogs.com/zyf7630/p/3209976.html

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