How to add multiple files using Directory.GetFiles() in C#?

Question

This question might have been asked before, however I am not able to pass three parameters in single loop which I need for my method. I have like thousands of files in that directory (xml,jpg,tiff) (mixed).

This is something what I'm trying to get.

protected void btn_Click(object sender, EventArgs e)
        {
            var path = @"d:\xmlfiles";
            foreach (var file in Directory.GetFiles(path))
            {
                ProcessFile(file,param2,param3);
            }

        }

    static void ProcessFile(string file_xml, string file_jpg, string file_tiff)
        {
            // do processing here...
            //Adding data to sql
        }

I tried Path.GetExtension, but it only gives extension. I have to pass file name and the logic is in the method Processfile().

I saw many questions asked before which only returns single file. Any other way for a workaround?

Any helpe would be appreciated. Thanks.

You must add an example directory listing (2-3 files is enough) with the expected output. — Franck
– Franck, Commented Feb 11, 2019 at 13:08
I don't understand what these parameters should be. Are you just trying to process files with the extensions xml, gif and jpeg? — Steve
– Steve, Commented Feb 11, 2019 at 13:08
You should clarify what you expect to be in common among these different files? For example, do you have: - file1.xml - file1.jpg - file1.tiff or not necessarily? — Fabio M.
– Fabio M., Commented Feb 11, 2019 at 13:09

CodeCaster · Accepted Answer · 2019-02-11 13:12:25Z

2

So you have a directory containing files like this:

Foo.xml, Foo.jpg, Foo.tiff
Bar.xml, Bar.jpg, Bar.tiff
Baz.xml, Baz.jpg, Baz.tiff

And you want to process equally named files together. Then why not pick and enumerate one extension, and reconstruct the accompanying file names:

foreach (var xmlFile in Directory.GetFiles(path, "*.xml"))
{
    var extensionLess = Path.GetFilenameWithoutExtension(xmlFile);

    var jpgFile = Path.Combine(path, extensionLess + ".jpg");
    var tiffFile = Path.Combine(path, extensionLess + ".tiff");

    ProcessFile(xmlFile, jpgFile, tiffFile);
}

answered Feb 11, 2019 at 13:12

CodeCaster

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2 Comments

Franck Over a year ago

Should do the same treatment to the xml file so it doesn't have the full path. I am guessing he wants the same format for the 3 files.

Rex Jones Over a year ago

@CodeCaster Thank you for big help!! and I didn't know of "GetFilenameWithoutExtension" I only tried GetFiles() which I knew from other questions. Thanks.

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