def parseBNDF(lines, i):
    """This function parses the smokeview file to find bndf files
    
    Parameters
    ----------
    lines : list
        List of strings corresponding to lines from a smokeview file
    i : int
        Index of bndf line
    
    Returns
    -------
    float
        Mesh number for bndf file
    string
        Boundary file name
    string
        String variable number
    float
        Variable number
    """
    
    (_,mesh,vNum) = lines[i-1].split()
    bndfName = lines[i].split(' ')[1].replace('\n','')
    vID = ' '.join(lines[i+1].split(' ')[1:]).replace('\n','')
    (mesh, vNum) = (float(mesh), float(vNum))
    return mesh, bndfName, vID, vNum