Run a CSharp executable (uses mono on Unix)

build.cake

Func<FilePath, IEnumerable<string>, int> CsProc = delegate(FilePath proc, IEnumerable<string> arguments) {
    var processArgs = new ProcessArgumentBuilder();
    FilePath process;

    Information(proc.ToString());
    if (IsRunningOnWindows()) {
        process = proc;
    } else {
        processArgs.Append(proc.ToString());
        process = File("mono");
    }

    foreach (var arg in arguments)
        processArgs.Append(arg);

    return StartProcess(process, new ProcessSettings { Arguments = processArgs });
};