计算fg文件中染色体的信息，如总长度，有效长度，GC含量，N的长度，以及计算N50和N90.-Calculation chromosome fg file information such as the total length, effective length, GC content, length N, and the calculation of N50 and N90.

真菌，细菌，动植物基因组组装结果评价程序，非常实用(Genome assembly stats)