在目录循环中排除子目录

时间:2012-10-20 20:30:31

标签: c# .net subdirectory

在.NET代码中,我有一个循环,它接收来自D:\ Temp及其子目录的所有.wav文件:

string[] fileHolder = Directory.GetFiles("D:\\Temp","*.wav", SearchOption.AllDirectories);

我想排除来自文件夹名称中包含“blablabla”的文件夹的所有.wav文件。

怎么做?

P.S。这与Exclude directories that contain sub directories?类似,但我无法成功使用此主题的答案。

3 个答案:

答案 0 :(得分:10)

IEnumerable<string> files = 
   from f in Directory.GetFiles("D:\\Temp", "*.wav", SearchOption.AllDirectories)
   where !Path.GetDirectoryName(f).Contains("blablabla")
   select f;

添加几个条件:

var files = from f in Directory.GetFiles("D:\\Temp", "*.wav", SearchOption.AllDirectories)
            let directoryName = Path.GetDirectoryName(f)
            where !directoryName.Contains("blablabla") &&
                  !direcotyName.Contains("foo")
            select f;

另一个解决方案:(我认为Path.GetDirectoryName不是最快的操作)

public static IEnumerable<string> GetFiles(string path, string searchPattern,
                                           Func<string, bool> dirSelector)
{
    if (!dirSelector(path))
        yield break;

    foreach (var file in Directory.GetFiles(path, searchPattern))
        yield return file;

    foreach (var dir in Directory.GetDirectories(path))
        foreach (var file in GetFiles(dir, searchPattern, dirSelector))
            yield return file;
}

用法:

Func<string, bool> dirSelector = (d) => !d.Contains("blablabla");
string[] files = GetFiles("D:\\Temp", "*.wav", dirSelector).ToArray();

答案 1 :(得分:3)

请尝试以下操作:

string[] fileHolder = Directory.GetFiles(@"d:\temp", "*.wav",
         SearchOption.AllDirectories).Where(file => !file.Contains("blabla")).ToArray();

答案 2 :(得分:1)

您必须手动对它们进行排序:

List<string> result = new List<string>();
foreach(string filename in Directory.GetFiles("D:\\Temp", "*.wav"))
{
   if (!filename.Contains("blablabla"))
      result.Add(filename);
}