Question

我是python的新手，我需要帮助修改我的脚本。我真的被卡住了。任何输入将不胜感激。 TIA！

original_file中的文本如下所示：

<Time>
1159
</Time>
<Date>
03042016
</Date>
<Time>
1300
</Time>
<Date>
03052016
</Date>
...

我的剧本：

with open("original_file.txt", "r") as input_file, \
open("result_file.txt", "w") as output_file:
    input_file.seek(0)
    copy = False
    for line in input_file:
        if line.strip() == "<Time>" or line.strip() == "<Date>":
            copy = True
        elif line.strip() == "</Time>" or line.strip() == "</Date>" :
            copy = False
        elif copy:
            output_file.write(line)

我的脚本有效，但输出如下：

我想要的输出：

1159, 03042016
1300, 03052016

Answer 1

维护代码，看起来应该是这样的

with open("original_file.txt", "r") as input_file, \
open("result_file.txt", "w") as output_file:
    input_file.seek(0)
    values = []
    for line in input_file:
        if line.strip() == "<Time>" or line.strip() == "<Date>":
            pass
        elif line.strip() == "</Time>":
            pass
        elif line.strip() == "</Date>":
            line = ",".join(values)
            output_file.write(line)
            values
        else:
            line.append(line.strip())

但是，您可以使用某些库，例如BeautifulSoup，它是一个XML解析器。你的工作大大减少了

使用这个库，你的代码最终会是这样的：

from bs4 import BeautifulSoup

soup = BeautifulSoup(open("original_file.txt.html"))
with open("result_file.txt", "w") as output_file:
    results = zip(soup.find_all('Time'), soup.find_all('Date'))
    for time, date in results:
        output_file.write(",".join([time,date]))

查找并将多个变量从一个文件写入另一个文件

1 个答案: