删除文件某行

 

bl = "hahahah"
with open("/etc/hosts","r",encoding="utf-8") as f:
    lines = f.readlines()
with open("/etc/hosts","w",encoding="utf-8") as f_w:
    for line in lines:
        if bl in line:
            continue
        f_w.write(line)

 

posted @ 2021-05-27 15:00  半日闲1  阅读(38)  评论(0编辑  收藏  举报