本文介绍了如何使用通配符扫描具有特定子目录的目录的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想知道什么是扫描具有不确定字符的目录的好方法。
例如,我想扫描
含义
- 该文件夹位于
C:\Program
-
Version2。*
可以是任何类似Version2.33
,Version2.1
等。 - 该文件夹中有一个名为
Files
的文件夹我知道如果包含(Version2),我可以像foreach(directory)这样做一些东西。
,但我想知道是否有更好的方式这样做。解决方案接受搜索模式。所以列举具有通配符的父项,而不是枚举其他的:
var directories =
Directory.EnumerateDirectories(@C :\Program\,Version2。*)
.SelectMany(parent => Directory.EnumerateDirectories(parent,Files))
注意:如果路径可以包含任何级别的通配符 - 简单地标准化路径并按\拆分,而不是逐级收集文件夹。
I was wondering what would be a good way to scan a directory that has characters you are not sure of.
For example, I want to scan
Meaning
- The folder is located in
C:\Program
Version2.*
could be anything likeVersion2.33
,Version2.1
, etc.- That folder has a folder named
Files
in it
I know that I could do something like
foreach (directory) if contains("Version2.")
, but I was wondering if there was a better way of doing so.解决方案Directory.EnumerateDirectories accepts search pattern. So enumerate parent that has wildcard and than enumerate the rest:
var directories = Directory.EnumerateDirectories(@"C:\Program\", "Version2.*") .SelectMany(parent => Directory.EnumerateDirectories(parent,"Files"))
Note: if path can contain wildcards on any level - simply normalize path and split by "\", than collect folders level by level.
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- The folder is located in