perl编写。从NCBI中下载的编码区序列，比如整个大肠杆菌编码序列，下载下来是fasta格式的一个文档，这个程序可以让你从中提取想要的gene name。把想提取的gene name放到一个文本中，比如基因序列.txt-written in perl. Downloaded from NCBI coding region sequence, for example, the entire coding sequence of E. coli, downloaded the fasta format a document, this program allows you to extract the desired gene name. Would like to extract the gene name into a text, such as gene sequences. Txt