fasta文件加标签

import os

files = os.listdir("G:\\33Pan_download\\下载数据\\unzip\\")

all_genome = open("G:\\33Pan_download\\下载数据\\all_genome.fa","w")

for i in files:
    print(i)
    file_genome = "G:\\33Pan_download\\下载数据\\unzip\\" + str(i) + "\\" + str(i) +  ".genome"
    new_genome = file_genome + ".fa"
    f_rewrite = open(new_genome, "w")
    f = open(file_genome,"r")
    for line in f.readlines():
        if line[0] == ">":
            line_2 = line.replace("\n","") + "_" + i + "\n"
            #print(line_2)
            f_rewrite.write(line_2)
            all_genome.write(line_2)
        else:
            f_rewrite.write(line)
            all_genome.write(line)
        
        #print(line.strip()) # 把末尾的'\n'删掉
    f_rewrite.close()
all_genome.close()

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