python 竖排文本

import sys
import os

def main(argv):
    arg=sys.argv[1]
    print arg
    data_set_list = []
    for data_set_num, data_dir in enumerate(arg.split(","), 1):
        command="ls -l %s |awk ‘NR==2,NR==0 {print $NF}‘" % (data_dir)
        fp=os.popen(command, "r")
        ret=fp.readlines()
        for data_name in ret:
            data_path=data_dir+data_name[0:-1]
            data_set_list.append(data_path)
    print("data_set_list:",data_set_list)

    for data_index, data_set_name in enumerate(data_set_list):
        f = open(data_set_name,‘r‘)
        result=f.read()
        f.close()
        o=open(‘train/‘+data_set_name,‘w‘)
        for i in result.split(‘ ‘):
            o.write(i)
            o.write(‘\n‘)
        o.close

if __name__ == "__main__":
    main(sys.argv[1:])