python：将特定行从一个文件复制到另一个fi

Question

我有一个文件，我只想从它复制特定的行到另一个文件。我试图创建一个函数：

def copytotemp(logfile, fromline, toline):
    with open(logfile) as origfile:
        with open("templog.log", "w") as tempfile:
            for num, line in enumerate(origfile, 0):
                if (num + 1) <= fromline and (num + 1) >= toline:
                    tempfile.write(line)

但是临时文件.log总是空的。 谢谢

Answer 1

我和接线员出了点差错。在

def copytotemp(logfile, fromline, toline):
    with open(logfile) as origfile:
        with open("templog.log", "w") as tempfile:
            for num, line in enumerate(origfile, 1):
                if num >= fromline and num <= toline:
                    tempfile.write(line)

正在工作