Python如何将连字符的单词与换行符合并？

Question

I want to say that Napp Granade
serves in the spirit of a town in our dis-
trict of Georgia called Andersonville.

我有数以千计的文本文件，上面的数据和文字已经包装使用连字符和换行。在

我要做的是删除连字符并将换行符放在单词的末尾。我不想删除所有连字符的单词，如果可能的话，只删除行尾的单词。在

^{pr2}$

上面的代码不工作，我尝试了几种不同的方法。在

我想浏览整个文本文件并删除所有表示换行符的连字符。例如：

I want to say that Napp Granade
serves in the spirit of a town in our district
of Georgia called Andersonville.

任何帮助都将不胜感激。在

Answer 1

您不需要使用正则表达式：

filename = 'test.txt'

# I want to say that Napp Granade
# serves in the spirit of a town in our dis-
# trict of Georgia called Anderson-
# ville.

with open(filename, encoding="utf8") as f:
    lines = [line.strip('\n') for line in f]
    for num, line in enumerate(lines):
        if line.endswith('-'):
            # the end of the word is at the start of next line
            end = lines[num+1].split()[0]
            # we remove the - and append the end of the word
            lines[num] = line[:-1] + end
            # and remove the end of the word and possibly the 
            # following space from the next line
            lines[num+1] = lines[num+1][len(end)+1:]

    text = '\n'.join(lines)

with open(filename, "w", encoding="utf8") as f:
    f.write(text)


# I want to say that Napp Granade
# serves in the spirit of a town in our district
# of Georgia called Andersonville.

但你可以，当然，而且时间更短：

^{pr2}$

我们寻找-后跟\n，并捕获下面的单词，这是拆分单词的结尾。
我们将所有这些替换为捕获的单词后跟一个新行。在

为了正确解释\1，不要忘记使用原始字符串进行替换。在