Detect xml file type without extension

Question

Hello
As file suggests, user can select any file, and some of them might be with no extension, I will use a content analyzer sdk to handle different situations, but there's one extension that the sdk does not support: .xml
I'm aware of using XmlDocument to .Load the .xml and check for exception, but is there another path to check the file signature/content without loading the whole file? I mean reading the mime header or something like that?
Thanks

Answer 1

xml is just a text file. without validating, it hard to tell xml from html which uses a similar syntax (but html does not need to be valid xml). The XmlReader is probably a better approach (you would not need to read the whole file).

Answer 2

Hi.

You can try the Mime Detective (https://github.com/MediatedCommunications/Mime-Detective)

it's a nuget package to get mimetype from filecontent.