from file_read_backwards import FileReadBackwards with FileReadBackwards('example.txt', encoding="utf-8") as file: for line in file: print(line) 三、管理内存使用 在处理非常大的文件时,需要特别注意内存的使用。逐行读取并不意味着将整行内容完全加载到内存中,尤其是在进行逆序读取的时候。我们可以通过...
现在要向后读取文件,这里使用上面已安装的模块 -file-read-backwards。 from file_read_backwards import FileReadBackwards with FileReadBackwards("Path\GodFather.txt", encoding="utf-8") as BigFile: # getting lines by lines starting from the last line up for line in BigFile: print line 当运行上面...
from file_read_backwards import FileReadBackwards with FileReadBackwards("/tmp/file", encoding="u...
其他与 python3-file-read-backwards 有关的软件包 python3 interactive high-level object-oriented language (default python3 version) 下载python3-file-read-backwards 硬件架构软件包大小安装后大小文件 all7.6 kB38.0 kB[文件列表]
Name of the file: foo.txt Read Line: This is 1st line Read Line: 7.增量日志的最佳处理 file只是读了文件句柄 f.seek f.tell 增量处理的例子 #!/usr/bin/env python import sys def filerev(fd): fd.seek(0,2) pos = -1 line = '' ...
self.temp_directory.mkdir()withzipfile.ZipFile(self.filename)aszip:zip.extractall(self.temp_directory)deffind_replace(self):forfilenameinself.temp_directory.iterdir():withfilename.open()asfile: contents = file.read() contents = contents.replace(self.search_string, self.replace_string)withfile...
or read backwards for page in reversed(doc): # do something with 'page' # ... or even use 'slicing' for page in doc.pages(start, stop, step): # do something with 'page' 接下来,主要介绍Page的常用操作! a. 检查页面的链接、批注或表单字段 使用某些查看器软件显示文档时,链接显示为==“...
"""copy data from file-like object fsrc to file-like object fdst""" while 1: buf = fsrc.read(length) if not buf: break fdst.write(buf) 1. 2. 3. 4. 5. 6. 7. View Code shutil.copyfile(src, dst) 拷贝文件 def copyfile(src, dst): ...
class ZipFile(object): """ Class with methods to open, read, write, close, list zip files. z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=False) file: Either the path to the file, or a file-like object. If it is a path, the file will be opened and closed ...
forpageindoc:#dosomethingwith'page'#...or read backwardsforpageinreversed(doc):#dosomethingwith'page'#...or even use'slicing'forpageindoc.pages(start,stop,step):#dosomethingwith'page' 检查页面的链接、注释或表单字段 使用某些查看器软件显示文档时,链接显示为“热点区域”。如果您在光标显示手形符号...