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Get file extensions of all the files on a drive

Posted on 2014-10-31
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Last Modified: 2014-11-01
How can I write a program to transverse/recusive a drive  (C:\) and return a list of all the file extensions?

I know I can use Path.GetExtension
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Question by:JElster
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by:
käµfm³d   👽 earned 500 total points
ID: 40416921
using System.IO;

...

foreach (string filename in Directory.EnumerateFiles(@"C:\", "*.*", SearchOption.AllDirectories))
{
    Console.WriteLine(Path.GetExtension(filename));
}

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by:JElster
ID: 40417118
How would I get the distinct values?
thx again
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