7z 的命令行从存档内的特定文件夹中提取特定文件 [英] Command line for 7z to extract specific files from specific folders inside an archive

问题描述

我正在编写一个 Python 脚本，我需要调用 7z 来提取保存在存档目录中的一些文件，而无需提取完整的存档.存档包含多个目录，我需要从特定目录中提取一些文件.

I'm writing a Python script where I need to call 7z to extract some files kept inside a directory in an archive without extracting the complete archive. The archive contains multiple directories and I need to extract some files from a particular directory.

假设abc.7z"是一个包含多个目录的存档，即temp"、windows"、system"、data".我想从目录system"中提取一些 .exe 文件只是因为这些 .exe 文件也可能存在于其他目录中，但我只对system"中的文件感兴趣.

Let's say, "abc.7z" is an archive which contains multiple directories, i.e "temp", "windows", "system", "data". I want to extract some .exe files from directory "system" only because those .exe files might be present in other directories too but I am interested only in the files from "system".

我只需要 7z 命令；我会弄清楚如何从脚本中调用 7z.感谢您的帮助.

All I need is the 7z command; I'll figure out how to call 7z from the script. Thanks for your help.

推荐答案

您可以在命令行的末尾指定文件/文件夹过滤器.检查 this 以获取有关 7zip 命令行命令和选项的更多详细信息.

You can specify a file/folder filter at the end of the command line. Check this for more details on 7zip command line commands and options.

7z.exe x [archive.7z] -o[output_dir] [filter]

例如7z.exe x abc.7z -aoa -oC:Temp system

您还可以从系统文件夹中指定特定类型的文件.例如system*.exe 将提取 system 目录中的所有 .exe 文件.

You can also specify files of a particular type from system folder. For e.g. system*.exe will extract all .exe files inside the system directory.

-aoa 选项用于覆盖模式.

要从 Python 调用它，您可以使用 subprocess 模块.类似的东西:

To call it from Python you can use subprocess module. Something like:

import subprocess

cmd = []
cmd.append(r'C:Program Files7-Zip7z.exe')
cmd.append('x')
cmd.append(archive)
cmd.append('-aoa')
cmd.append('-o{}'.format(dst_part))
cmd.append(file_folder_filter)
subprocess.call(cmd)

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