因在网站上查询基因序列后　保存下的文件为一个总文件
为方便分析与查找　总文件要分割成小文件　
文件分割器不能按自己的要求分割
就只能自己编写程序．．．
汗　不会　呵呵　只有想各位求援了　
有偿服务　在线ＱＱ：５６１０１６２４８　联系

序列为（文件格式为＊.fasta）：　　
>gi|1532267|gb|U68521.1|HIVU68521 HIV-1 sample 9939 patient 10 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAGTTAGATAAATGGGAAAGAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTGGCCTTTTAGAAACATCAGAAGGCTGTAGACAAATACTGGGACAGCTACAACCAGCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTACATAATACAGTAGCAGTCCTCTATTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAGAAAATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAAGCACAGCA
AGCAGCAGCTGACACAGGAAACAACAGCCAGGTCAGCCAAAATTACCCTATAGTGCAGAACCTTCAGGGG
CAAATGGTA

>gi|1532263|gb|U68519.1|HIVU68519 HIV-1 sample 256 patient 9 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTAGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATACTGGGACAGCTACAACCGGCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTACATAATACAGTAGCAGTCCTCTATTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAGAAGATAGAGGAAGAGCAAAACAAAAGCAAGAAAAAGGCACAGCA
AGCAGCAGCTGACACAGGAAACAACAGCCAGGTCAGCCAAAATTACCCTATAGTGCAGAACCTCCAGGGG
CAAATGGTA

>gi|1532259|gb|U68517.1|HIVU68517 HIV-1 sample 159 patient 8 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAGATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGAAGGGAGCTAGAACGATTCGMAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGTTGTAGACAAATACTGGGACAGCTACAGCCATCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTACATAATACAGTAGCAGTCCTCTATTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGACAAAATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAAGCACAGCA
AGCAGCAGCTGACACAGGAAACAACAGCCAGGTCAGTCAAAATTACCCTATAGTGCAGAACCTTCAGGGG
CAAATGGTA

>gi|1532257|gb|U68516.1|HIVU68516 HIV-1 sample 6760 patient 7 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAGGAAAAAGTATAAATTAAAACATCTAGTATGGGCAAGCAGGGAGCTAGAACGATATGCAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTAGGACAGCTACAACCAGCCATTCAGACA
GGATCAGAAGAACTTAAATCATTATATAATACAGTAGTAACCCTCTACTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGACAAGGTAGAGGAAGAACAAAACAAAAGTAAGAAAAAAGCACAGCA
AGCAGCAGCTGACACAGGAAACAGCGGCAAGGTCAGCCAAAATTTCCCTATAGTGCAGAACCTACAGGGG
CAAATGGTA

>gi|1532255|gb|U68515.1|HIVU68515 HIV-1 sample 6767 patient 6 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTACGGCCAG
GGGGAAAGAAAAAATATCAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTGGGACAGTTACAACCATCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTATATAATACAGTAGCAACCCTCTATTGTGTGCATCAAAAGATAGATA
TAAAAGACACCAAGGAAGCTTTAGAGAAGATAGAGGAAGAGCAAAACAAATGTAAGAAAAAGGCACAGCA
AGCCGCTGCTAACACAGGAAGCAGCAGCCAGGTCAGCCAAAATTACCCTATAGTGCAGAACCTCCAGGGG
CAAATGGTA

>gi|1532253|gb|U68514.1|HIVU68514 HIV-1 sample 317 patient 5 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTACTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATCAATTAAAACATCTAGTATGGGCAAGCAGGGAGCTAGAACGATTCTCAATTAA
TCCTGGTCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTGAGACAGCTACAACCATCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTATATAATACAGTAGCAGTCCTCTATTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAAAAGATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAGGCACAGCA
AGCAGCAGCTGACACAGGAAACAGCAGCCAGGTCAGCCAAAATTACCCTATAGTGCAGAACCTCCAGGGG
CAAATGGTA

>gi|1532249|gb|U68512.1|HIVU68512 HIV-1 sample 105 patient 3 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTGGGACAGCTACAACCAGCCCTTCAGACA
GGATCAGAAGAACTTAGATCATTATATAATACAGTAGCAACCCTCTATTGTGTACATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAGAAGATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAAGCACAGCA
AGCAGCAGCTGACACAGGAAGCAGCAGCCAGGTCAGCCAAAATTACCCTATAGTGCAGAACTTACAGGGG
CAAATGGTA

>gi|1532247|gb|U68511.1|HIVU68511 HIV-1 sample 135 patient 2 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCAGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTGGGACAGCTACAACCAGCCCTTCAGACA
GGATCAGAAGAACTTAAATCATTATATAATACAGTAGCAACCCTCTATTGTGTACATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAGAAGATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAGGCACAGCA
AGCAGCAGCTGACACAGGAAGCAGCAGCCAGGTCAACCAAAATTACCCTATAGTGCAGAACTTACAGGGG
CAAATGGTA

>gi|1532243|gb|U68509.1|HIVU68509 HIV-1 sample 136 patient 1 from Sweden matrix protein (gag) gene, p17 region, partial cds
ATGGGTGCGAGAGCGTCRGTATTAAGCGGGGGAGAATTAGATAAATGGGAAAAAATTCGGTTAAGGCCAG
GGGGAAAGAAAAAATATAAATTAAAACATATAGTATGGGCAAGCAGGGAGCTAGAACGATTCGCAGTTAA
TCCTGGCCTTTTAGAGACATCAGAAGGCTGTAGACAAATATTGGGACAGCTACAACCATCCCTTCAGACA
GGATCAGAAGAACTTAGATCATTATATAATACAGTAGCAGTCCTCTATTGTGTGCATCAAAGGATAGATG
TAAAAGACACCAAGGAAGCTTTAGAGAAGATAGAGGAAGAGCAAAACAAAAGTAAGAAAAAGGCACAGCA
AGCAGCAGCCGCAGCAGCTGACACAGGAAACAGCAGYCAGGTCAGCCAAAATTACCCTATAGTGCAGAAC
CTACAGGGGCAAATGGTA