python模仿more分页文本

功能

实现像more分页的功能

• 技巧：注意本段代码的if那段写法
• read方法会一次性将文件的内容读入内存

def more(text, line=10):
    lines = text.splitlines()
    while lines:
        page = lines[:line]
        lines = lines[line:]
        for row in page:
            print(row)
        if lines and input(r'More? "N" or "n" for quit!') in ('N','n'):break

if __name__ == '__main__':
    import sys
    text = open(sys.argv[1],encoding="utf8").read()
    more(text, 15)