Linq to file system to get last created file in each sub folders

Question

I have a folder/directory that contains some sub directories.

Only those sub folders contain files. I have to get the full path of last created files in each sub folder.

Only the last created file in each sub folder is needed.

How can I do this? How can I use linq to files stem for this

can you show what you've tried so far? This sounds like a simple thing... — MilkyWayJoe, Jan 10 '12 at 20:07

score 7 · Accepted Answer · answered Jan 10 '12 at 20:07

Something like this would work:

DirectoryInfo di = new DirectoryInfo(@"C:\SomeFolder");

var recentFiles = di.GetDirectories()
                    .Select(x=>x.EnumerateFiles()
                                .OrderByDescending(f=> f.CreationTimeUtc)
                                .FirstOrDefault())
                    .Where(x=> x!=null)
                    .Select(x=>x.FullName)
                    .ToList();

One thing to be mindful of is the permissions you need to traverse some protected directories, this shouldn't be a problem for most cases though.

Modified this for getting directies by creation order. Useful! — ouflak, Feb 13 '14 at 16:53

Linq to file system to get last created file in each sub folders

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