ÎÒÏëµ÷Óà wget À´ÏÂÔØÎļþ£¬µ«¿ÉÄܲ¢²»ÊÇÿһ̨»úÆ÷¶¼ÓУ¬ÓÐʲô·½·¨¿ÉÒÔÖªµÀÕą̂»úÆ÷ÊÇ·ñ¿ÉÒÔÔËÐÐ wget ?
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On Jan 5, 2008 1:49 AM, Kevin anew <kevinanew在gmail.com> wrote:
> 我想调用 wget 来下载文件，但可能并不是每一台机器都有，有什么方法可以知道这台机器是否可以运行 wget ?
>
可以执行查看版本的命令来预先执行一下，看能不能得到预期的输出结果。

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bash脚本：
  wget

  if [ $? -eq 127 ]
      then
      echo 'Error: no command'
  fi

bash 下用 which 来确定是否有这命令

which wget || echo 没有 wget
wgich wget &&  echo  有 wget

On Jan 5, 2008 9:51 AM, jessinio liang <jessinio at gmail.com> wrote:
> bash脚本：

ÔÚWindows xp ÖÐÓиöRun as µÄ¹¦ÄÜ£¨Ê¹ÓÃÆäËûÓû§ÃûºÍÃÜÂëÀ´ÔËÐгÌÐò£©£¬ÈçºÎʹÓÃpythonÀ´×ö£¿

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system()

On Jan 5, 2008 12:42 PM, python python <python at tairan.net> wrote:
>
> 在Windows xp 中有个Run as 的功能（使用其他用户名和密码来运行程序），如何使用python来做？
>
> ________________________________
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Pywin32里有个createprocessasuser

On 1/5/08, python python <python在tairan.net> wrote:
> 在Windows xp 中有个Run as 的功能（使用其他用户名和密码来运行程序），如何使用python来做？
>
> _________________________________________________________________
> Express yourself instantly with MSN Messenger! Download today it's FREE!
> http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

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if 0 == os.system('wget --version >/dev/null 2>&1'):
	ok
else:
	not ok

On  4, limodou <limodou at gmail.com> wrote:
> On Jan 5, 2008 1:49 AM, Kevin anew <kevinanew at gmail.com> wrote:
> > 我想调用 wget 来下载文件，但可能并不是每一台机器都有，有什么方法可以知道这台机器是否可以运行 wget ?
> >
> 可以执行查看版本的命令来预先执行一下，看能不能得到预期的输出结果。
> 
> -- 
> I like python!
> UliPad <>: http://code.google.com/p/ulipad/
> meide <>: http://code.google.com/p/meide/
> My Blog: http://www.donews.net/limodou
> _______________________________________________
> python-chinese
> Post: send python-chinese at lists.python.cn
> Subscribe: send subscribe to python-chinese-request at lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request at lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese

Õâ¸ö·½·¨ÓÖ»áÆô¶¯Ò»Ï½ø³Ì£¬ÀË·ÑÖеÄÀË·Ñ£¬Python ÓÖ²»ÊÇ Shell¡£

ÔÚ08-1-8£¬wu jiyong <jiyong.wu在gmail.com> дµÀ£º
>
> if 0 == os.system('wget --version >/dev/null 2>&1'):
>         ok
> else:
>         not ok
>
> On  4, limodou <limodou在gmail.com> wrote:
> > On Jan 5, 2008 1:49 AM, Kevin anew <kevinanew在gmail.com> wrote:
> > > ÎÒÏëµ÷Óà wget À´ÏÂÔØÎļþ£¬µ«¿ÉÄܲ¢²»ÊÇÿһ̨»úÆ÷¶¼ÓУ¬ÓÐʲô·½·¨¿ÉÒÔÖªµÀÕą̂»úÆ÷ÊÇ·ñ¿ÉÒÔÔËÐÐ wget ?
> > >
> > ¿ÉÒÔÖ´Ðв鿴°æ±¾µÄÃüÁîÀ´Ô¤ÏÈÖ´ÐÐһϣ¬¿´Äܲ»Äܵõ½Ô¤ÆÚµÄÊä³ö½á¹û¡£
> >
> > --
> > I like python!
> > UliPad <>: http://code.google.com/p/ulipad/
> > meide <>: http://code.google.com/p/meide/
> > My Blog: http://www.donews.net/limodou
> > _______________________________________________
> > python-chinese
> > Post: send python-chinese在lists.python.cn
> > Subscribe: send subscribe to python-chinese-request在lists.python.cn
> > Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> > Detail Info: http://python.cn/mailman/listinfo/python-chinese
> _______________________________________________
> python-chinese
> Post: send python-chinese在lists.python.cn
> Subscribe: send subscribe to python-chinese-request在lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese




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