任何文件的条目都带有反斜杠
cache[path] = file.read()
for file_name, multi_line_content in cache.items():
for line in multi_line_content.splitlines():
// this line may or maynot have trailing backslash
例如:
dsf dff dfdf \
cvcs dsd sdds\
在将整行复制为字符串之前,如何处理该行,检测尾随反斜杠并将其删除?