Question

我目前正致力于将一个文本文件中的每个单词放入xlsxwriter的程序。这意味着我必须拆分线。

我的问题是我必须摆脱重复的信息，直到第一行中的不同元素。我无法想出如何解决这个问题。

文字示例

Dave likes fresh green apples 
Dave likes fresh green peppers 
Dave hates fresh green apples 
Dave hates rotten green apples 
Jane likes fresh green apples

xlsxwriter中的期望结果

    C1    C2    C3    C4    C5 
R1 Dave likes fresh  green apples 
R2  X     X     X      X   peppers 
R3  X   hates fresh  green apples 
R4  X     X   rotten green apples 
R5 Jane likes fresh  green apples

由于

Answer 1

接受挑战。

这样的事情怎么样：

的test.txt

Dave likes fresh green apples 
Dave likes fresh green peppers 
Dave hates fresh green apples 
Dave hates rotten green apples 
Jane likes fresh green apples
Dave likes fresh green watermelon
Jane likes fresh green peppers

这是我的第一个想法（使其功能并从我的原始帖子中记录）

def read_lines_with_duplicate_replace_v1(path,replace_char="X"):
    """Generator that read the lines in the file contained in path
       and for each line that start as some previous line replace each
       part that is similar with replace_char. Yield a list with the result"""
    #assume that each line has the same number of elements
    record=dict()
    with open(path) as file:
        for line in file:
            result  = line.split()
            temp = tuple(result)
            if temp[0] in record:
                key = result[0]
                result[0] = replace_char
                for i in range(1,len(result)):
                    if result[i] == record[key][i-1]:
                        result[i] = replace_char
                    else:
                        break
            record[temp[0]] = temp[1:]
            yield result

这是第二个想法，只记住上一行

def read_lines_with_duplicate_replace_v2(path,replace_char="X"):
    """Generator that read the lines in the file contained in path
       and for each line that start as the previous line replace each
       part that is similar with replace_char. Yield a list with the result """
    #assume that each line has the same number of elements
    num_elem = 0
    previous_line = list()
    with open(path) as file:
        for line in file:
            result = line.split()
            if previous_line:
                for i in range(num_elem):
                    if result[i] == previous_line[i]:
                        result[i] = replace_char
                    else:
                        break
                previous_line[i:] = result[i:]
            else:
                previous_line.extend(result)
                num_elem = len(previous_line)
            yield result

输出：

>>> for x in read_lines_with_duplicate_replace_v1("test.txt"):
        print(*x)


Dave likes fresh green apples
X X X X peppers
X hates fresh green apples
X X rotten green apples
Jane likes fresh green apples
X likes fresh green watermelon
X X X X peppers
>>>
>>>
>>> for x in read_lines_with_duplicate_replace_v2("test.txt"):
        print(*x)


Dave likes fresh green apples
X X X X peppers
X hates fresh green apples
X X rotten green apples
Jane likes fresh green apples
Dave likes fresh green watermelon
Jane likes fresh green peppers
>>>

Python-替换Text文件中的Duplicatte信息

1 个答案: