July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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346
｜
附录
C
现在用下列命令列出
Documents
文件夹中所有文件：
dir Documents
我们应该会看到，已经将
my_new_file.txt
成功复制到这里。
你可以用
Tab
键自动补全文件名和路径，简化输入。试着输入
copy my
，然
后按
Tab
键。
cmd
应该能够猜出你想输入的是
my_new_file.txt
文件，自动补
全文件名。
我们还想移动文件或重命名文件。想用
cmd
移动文件，我们可以用
move
命令。试着输入：
move Documents\my_new_file.txt Documents\my_newer_file.txt
如果现在列出
Documents
目录下的文件，你应该会发现没有
my_new_file.txt
了，只有一个
my_newer_file.txt
。
move
可用于重命名文件（正如上面我们所做的那样）或者移动文件或
文件夹。
最后，你可能想要删除不需要的文件。想用
cmd
做到这一点，你可以用
del
命令。试着输
入：
del my_new_file.txt
现在查看当前文件夹下的文件，你应该看不到
my_new_file.txt
了。注意，这个命令会完
全删除文件。只有在你完全不需要这个文件时才能用这个命令。定期做硬盘备份是很有用
的，以防出现任何问题。
我们已经学过了修改文件，下面我们来学习如何在
cmd
中运行文件。
C.2.3
运行文件
想要在
Windows cmd
中运行文件，通常需要输入语言的名字，然后输入文件路径。例如，
想运行一个
Python
文件，你需要输入：
python my_file.py ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.