为了能够从命令行运行程序,我在使用sys.argv时遇到了一些问题。我正在运行IDLE 3.5。我已经尝试过通过命令提示符和Python(3.5)命令行运行下面的程序。在两者上,我都收到一个错误:
在Python(3.5)中:
>>> python testing.py
File "<stdin>", line 1
python testing.py
^
SyntaxError: invalid syntax
>>>
在命令提示符中:
C:UsersBrice_000>python testing.py
python: can't open file 'testing.py': [Errno 2] No such file or directory
testing.py读取:
import sys
def main():
print sys.argv
if __name__ == "__main__":
main(sys.argv)
我观看的教程显示,当从命令行执行此python文件时,它将只返回程序名称"testing.py"
我怀疑文件目录有问题,当命令行试图打开文件时,它不存在。
有人知道我该怎么弄清楚问题是什么吗?如果是,我该如何纠正?
如果我的问题格式不正确,我很抱歉。我是python和stackoverflow的新手,我还不知道自己在做什么。
目录输出:
C:UsersBrice_000>dir
Volume in drive C has no label.
Volume Serial Number is 60E5-73E9
Directory of C:UsersBrice_000
11/01/2015 04:45 PM <DIR> .
11/01/2015 04:45 PM <DIR> ..
11/01/2015 04:47 PM <DIR> .gimp-2.8
11/01/2015 05:07 PM <DIR> .idlerc
06/21/2015 09:20 PM <DIR> .jagex_cache_32
08/23/2015 08:00 PM <DIR> .oracle_jre_usage
01/11/2013 03:59 PM <DIR> .swt
11/01/2015 04:45 PM <DIR> .thumbnails
09/15/2015 10:12 PM <DIR> 3D Objects
10/14/2015 08:48 AM <DIR> Contacts
08/29/2015 04:28 PM <DIR> Creative Cloud Files
11/16/2015 05:08 PM <DIR> Desktop
11/20/2015 11:32 PM <DIR> Documents
11/24/2015 02:26 PM <DIR> Downloads
04/08/2013 10:26 PM <DIR> Dropbox
01/12/2013 01:16 PM <DIR> dumps
10/14/2015 08:48 AM <DIR> Favorites
06/21/2015 09:37 PM 23 jagexappletviewer.preferences
02/26/2013 06:31 PM <DIR> jagexcache
06/21/2015 09:21 PM <DIR> jagexcache1
02/19/2013 07:45 PM 50 jagex_cl_loginapplet_LIVE.dat
05/13/2014 10:34 PM 48 jagex_cl_oldschool_LIVE.dat
06/21/2015 09:21 PM 48 jagex_cl_runescape_LIVE.dat
06/21/2015 09:21 PM 49 jagex_cl_runescape_LIVE1.dat
10/14/2015 08:48 AM <DIR> Links
10/20/2015 05:30 AM <DIR> Music
11/05/2015 12:42 AM <DIR> OneDrive
10/28/2015 08:50 PM <DIR> Pictures
06/22/2015 12:32 AM 24 random.dat
10/14/2015 08:48 AM <DIR> Saved Games
10/14/2015 08:48 AM <DIR> Searches
08/04/2015 08:35 PM <DIR> SkyDrive
02/25/2014 03:54 AM <DIR> SkyDrive (2).old
04/07/2014 01:55 PM <DIR> SkyDrive (3).old
02/16/2014 02:50 PM <DIR> SkyDrive.old
03/12/2015 08:15 PM <DIR> Tracing
10/14/2015 08:48 AM <DIR> Videos
6 File(s) 242 bytes
31 Dir(s) 49,005,813,760 bytes free
看起来您是从python解释器运行的。
您需要在命令行(OS X上的终端,Windows上的命令提示符?)上运行此程序。
# terminal or command prompt!
python testing.py
这意味着您告诉Python执行testing.py脚本。