问题描述
当编写一个批处理文件来在Windows中自动执行一些东西，我需要暂停其执行几秒钟（通常在测试/等待循环，等待一个进程来启动）。当时，我能找到的最好解决方案采用平（我不骗你），以达到预期的效果。我发现它的一个更好的写了href=\"http://malektips.com/dos0017.html\"> ，它描述了一个可调用wait.bat，实现如下：
@ping 127.0.0.1 -n 2 -w 1000 GT; NUL
@ping 127.0.0.1 -n％1％-w 1000 GT; NUL
您就可以调用包含在自己的批处理文件来wait.bat，通过在几秒钟睡觉的数量。
（最后！）。在此期间，对于我们这些仍在使用Windows＆NBSP; XP，Windows 2000或（黯然），有没有更好的办法？
我在的，因此，它缺省值为1秒，如果没有参数在命令行上传递：
导入时间，SYStime.sleep（浮点（sys.argv中[1]）如果len（sys.argv中）→1其他1）
如果您已经安装了Python，或者不介意安装它（它有其他用途太:)，只需创建以下的 sleep.py 脚本某处添加在PATH：
导入时间，SYStime.sleep（浮点（sys.argv中[1]））
这将使分一秒的停顿（例如1.5秒，0.1等），你应该有这样的需要。如果你要称呼其为睡眠，而不是 sleep.py ，那么你可以添加的.py 延伸到你的PATHEXT环境变量。在XP中，你可以编辑：
我的电脑→属性（菜单）→高级（卡）→环境变量（按钮）→系统变量（帧）
When writing a batch file to automate something on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a better write-up of it here, which describes a callable "wait.bat", implemented as follows:
@ping 127.0.0.1 -n 2 -w 1000 > nul
@ping 127.0.0.1 -n %1% -w 1000> nul
You can then include calls to wait.bat in your own batch file, passing in the number of seconds to sleep.
Apparently the Windows 2003 Resource Kit provides a Unix-like sleep command (at last!). In the meantime, for those of us still using Windows XP, Windows 2000 or (sadly) Windows NT, is there a better way?
I modified the sleep.py script in the accepted answer, so that it defaults to one second if no arguments are passed on the command line:
import time, sys
time.sleep(float(sys.argv[1]) if len(sys.argv) > 1 else 1)
If you have Python installed, or don't mind installing it (it has other uses too :), just create the following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (e.g. 1.5 sec, 0.1 etc), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to your PATHEXT environment variable. In XP, you can edit it in:
My Computer → Properties (menu) → Advanced (tab) → Environment Variables (button) → System variables (frame)
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