def simple_sam(tmp_path):
    """
    This is adapted from the example in the SAM spec
    """
    f = tmp_path / "simple.sam"
    f.write_text("@HD\tVN:1.6\tSO:coordinate\n" +
        "@SQ\tSN:ref\tLN:45\n" +
        "r001\t99\tref\t7\t30\t8M2I4M1D3M\t=\t37\t39\tTTAGATAAAGGATACTG\t==99=?<*+/5:@A99:\n" +
        "r001\t147\tref\t37\t30\t9M\t=\t7\t-39\tCAGCGGCAT\t><>???>>>\tNM:i:1\n")
    return str(f)