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<p>Hello,</p>
<p>I am writing to you because we need some help about the MSH file format. I explain our problem : we use a script that requires a .msh file format in version 2 (or 2.2) and not in version 4. We have seen in the PDF Documentation of GMSH (in the Chapter 9 "File formats" page 107) that "The format has a version number that is independent of Gmsh’s main version number". Indeed, we tried to create .msh file format in version 2 with GMSH V2.8.4 and with GMSH V4 and the result is the same : the .msh file created is in format 4 and not in format 2 as we would like... But, several weeks ago, we tried to create a .msh file in format version 2...</p>
<p>Our question is : how can we "force" GMSH to create .msh file in format version 2 ? What is the element in the GMSH software that choose the file format (because GMSH V2.8.4 is an old version but it create .msh file in format 4 that I suppose it is a most recent format that doesn't exist when GMSH V2.8.4 was released) ?</p>
<p>Please help us on this. Thank you.</p>
<p>Best regards,</p>
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