How do I remove the DirectorySeparatorChar of an Path?

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Hi guys.

I have currently a little Problem, because the System doesn't recognizes a Path that ends with a backslash

I'm trying this here, but it has no affect on the argument

C#

args[0] = args[0].TrimEnd(Path.DirectorySeparatorChar);

thanks.

Sincerely:
Jonas

Posted 8-Feb-15 4:30am

User 11197367

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PIEBALDconsult 8-Feb-15 11:05am

"the System doesn't recognizes a Path that ends with a backslash"
What? You'll have a hard time convincing me of that, can you provide an example? (Use Improve question.)

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OriginalGriff · Answer 1 · 2015-02-08T05:20:00

"the System doesn't recognizes a Path that ends with a backslash"
Yes, it does: It says "this is a folder".

C#

static void Main(string[] args)
    {
    string[] files = Directory.GetFiles(args[0]);
    foreach (string s in files) Console.WriteLine(s);
    args[0] = args[0].TrimEnd(Path.DirectorySeparatorChar);
    foreach (string s in args)
        Console.WriteLine(s);
    }

Then run the app with "ConsoleTester D:\temp\", and it prints the list of files in my temporary folder.

But...Do note that Path.DirectorySeparatorChar is only backslash - it will not match a slash '/' as well, but Windows is happy with either.

And if your path ends with a separator character, it's a folder path, not a file path. So File.RealAllLines (and so forth) will not work - they need a file, not a folder.