Scans corefx repo for all csproj files and extracts pertinent information for creating a master .SLN file.

LINQPad_csproj

var csprojs = Directory.GetFiles(".", @"*.csproj", SearchOption.AllDirectories)
.Where(projFile => !projFile.Contains(@"\ref\"))
.Select(projFile => new { name = Path.GetFileNameWithoutExtension(projFile), file = projFile, guid = GetProjectGuid(projFile) })
.Where( p => p.guid.IsNotNullOrWhiteSpace() );


foreach (var project in csprojs)
{
    $@"Project(""{{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}}"") = ""{project.name}"", ""{project.file}"", ""{project.guid}""".Dump();
}


string GetProjectGuid(string projFile)
{
    var data = File.ReadAllText(projFile);
    return data.GetBetween("<ProjectGuid>", "</ProjectGuid>");
}