Importing mesh into Gambit or Fluent
 

Hi,

I have a mesh produced by external tool and I want to import it into Fluent. Mesh data is not in any Fluent/Gambit readable format, I just have a list of all nodes and all triangles. Additional data can be extracted form the tool if needed(e.g. list of boundary nodes/triangles etc.).
The only way that I see is to create a .msh file from existing data and read it in Fluent.
I studied .msh files but I didn't understand all parts of the file format.
Where can I find a detailed explanation of the format?
Is there any other way to import the mesh?

Thanks...