Question

我需要输出以下内容：如果在文件2中找到文件1中的任何单词，则函数应返回True。否则函数应返回False：在file_1中，每一行应包含一个单词。

def search_in_file(filepath_1, filepath_2):
    wordlist_1=[]
    f = open(filepath_1, "r")
    for line in f:
        wordlist_1.append(line)
    print wordlist_1

    wordlist_2=[]
    f = open(filepath_2, "r")
    for line in f:
        wordlist_2.append(line)
    print wordlist_2

    for i in wordlist_1:
        if i in wordlist_2:
            return True
        else:
            return False

我仍然是假的，但file_1中的一些单词在file_2中可见。有人可以帮忙吗？

Answer 1

您可以使用sets：

def search_in_file(filepath_1, filepath_2):
    wordlist_1=set(open(filepath_1))
    wordlist_2=set(open(filepath_2))
    return wordlist_1 & wordlist_2 != set() # Check if set intersection is not empty
    # Of course, you could simply return wordlist_1 & wordlist_2,
    # that way you'd know the actual set of all matching words.

请注意，逐行读取文件时会保留行结尾。因此，如果文件的最后一行没有以换行符结尾，则可能会错过匹配。

Answer 2

def search_in_file(filepath_1, filepath_2):
 wordlist_1=[]
 f = open(filepath_1, "r")
 for line in f:
     wordlist_1.append(line)
 print wordlist_1

 wordlist_2=[]
 f = open(filepath_2, "r")
 for line in f:
     wordlist_2.append(line)
 print wordlist_2

 for i in wordlist_1:
     if i in wordlist_2:
         return True
 return False

Answer 3

使用with语句，open和read方法获取文件内容。
使用split()方法创建list文件内容。
使用set方法从两个列表中获取常用值

输入：

文件：“/ home / vivek / Desktop / input1.txt”

file first 
I have some word from file second
Good
1 2 3 4 5 6 7

文件：“/ home / vivek / Desktop / input2.txt”

file second 
I have some word from file first
Good 
5 6 7 8  9 0

代码：

def searchInFile(filepath_1, filepath_2):
    with open(filepath_1, "r") as fp:
        wordlist_1 = fp.read().split()

    with open(filepath_2, "r") as fp:
        wordlist_2 = fp.read().split()

    common = set(wordlist_1).intersection(set(wordlist_2))

    return list(common)


filepath_1 = "/home/vivek/Desktop/input1.txt"
filepath_2 = "/home/vivek/Desktop/input2.txt"

result = searchInFile(filepath_1, filepath_2)
print "result:", result
if result:
    print "Words are common in two files."
else:
    print "No Word is common in two files."

输出：

infogrid@infogrid-172:~$ python  workspace/vtestproject/study/test.py
result: ['Good', 'word', 'file', 'I', 'have', 'some', 'second', '5', '7', '6', 'from', 'first']
Words are common in two files.

在file_2中搜索file_1中的单词

3 个答案: