C# Replacing filenames containing "." with " " but removing the file extension

Question

I am rename the files in a folder that contain a "." with a " ".
Expected result... Before: "I.am.testing.txt", After: "I am testing.txt"
Actual result... Before: "I.am.testing.txt", After: "I am testing txt"

The problem is that it also removes the "." for the file extension which is obviously a problem..

string folderPath = new DirectoryInfo(textBoxDir.Text).FullName; DirectoryInfo d = new DirectoryInfo(folderPath); FileInfo[] filesDot = d.GetFiles("*.*"); foreach (FileInfo fi in filesDot) { File.Move(fi.FullName, Path.Combine(fi.Directory.ToString(), fi.Name.Replace(".", " "))); }

Chris Cruz · Accepted Answer · 2017-02-25 02:43:18Z

6

You can just use Path.GetFileNameWithoutExtension to only get the name of the file, and then just append the original extension name to the end.

File.Move(fi.FullName, Path.Combine(fi.Directory.ToString(), Path.GetFileNameWithoutExtension(fi.Name).Replace(".", " ") + fi.Extension));

edited Feb 25, 2017 at 2:43

answered Feb 25, 2017 at 2:37

Chris Cruz

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5 Comments

iCode Over a year ago

If you do this, you'll also need add + Path.GetFileExtension(fi.Name) as part of the 2nd parameter to Path.Combine

Chris Cruz Over a year ago

If you look at my edit from a couple of minutes ago, you can see that I added that. I realized after I posted it. Thank you.

iCode Over a year ago

Sorry I'm on the app on my cell phone and hadn't refreshed yet.

Chris Cruz Over a year ago

No problem @iCode I've done the same thing more than I'd like to mention.

Chris Cruz Over a year ago

@Conor perfect, I'm glad we could get it figured out for you!

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