Python文本读取readline() 单行读取，并控制输出条数

 

 

用readline()  单行读取，读出前10条记录

from os import replace
import re

file = "d:/gdshnd_scm_0.txt"

with open(file) as f:
    i = 0
    while i < 10:
        i += 1
        content = f.readline()

        if content:
            for line in content:

                line = re.sub('\t', ',', line)
                print(line.replace(' ', ''), end='')

        else:
            break