boost::filesystem::recursive_directory_iterator 带过滤器

2021-12-24 00:00:00 c++ boost

我需要递归地从目录及其子目录中获取所有文件，但不包括几个目录.我知道他们的名字.是否可以使用 boost::filesystem::recursive_directory_iterator ?

I need to recursively get all files from directory and it's subdirectory, but excluding several directory. I know their names. Is it possible to do with boost::filesystem::recursive_directory_iterator ?

推荐答案

是的，在遍历目录时，您可以测试排除列表中的名称并使用 no_push() 成员递归迭代器以防止它进入这样的目录，例如:

Yes, while iterating over directories, you can test for the names on your exclusion list and use the no_push() member of the recursive iterator to prevent it from going into such a directory, something like:

void selective_search( const path &search_here, const std::string &exclude_this_directory)
{
    using namespace boost::filesystem;
    recursive_directory_iterator dir( search_here), end;
    while (dir != end)
    {
        // make sure we don't recurse into certain directories
        // note: maybe check for is_directory() here as well...
        if (dir->path().filename() == exclude_this_directory)
        {
            dir.no_push(); // don't recurse into this directory.
        }

        // do other stuff here.            

        ++dir;
    }
 }

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