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	<title>Nine Rivers &#187; DOS</title>
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	<description>Molecular modeling in Materials Sciences Web development Programming IT</description>
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		<title>Get random numbers under BASH and DOS</title>
		<link>http://9rivers.linkka.com/2010/03/01/get-random-numbers-under-bash-and-dos/</link>
		<comments>http://9rivers.linkka.com/2010/03/01/get-random-numbers-under-bash-and-dos/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 15:32:44 +0000</pubDate>
		<dc:creator>9rivers</dc:creator>
				<category><![CDATA[Notes]]></category>
		<category><![CDATA[Programming]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[bash]]></category>
		<category><![CDATA[batch]]></category>
		<category><![CDATA[DOS]]></category>

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		<description><![CDATA[Both Linux Bash and Windows DOS support random number generation. The random number is &#8216;stored&#8217; in a system environment variable named &#8220;RANDOM&#8221; (I believe this variable links to a script to generate the actual random numbers on both systems), use it in the same way as you use other ENV variables.  E.g. On Linux: 1echo [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Equivalent of &#8220;which&#8221; in Windows Command Shell Pankaj Kumars Weblog</title>
		<link>http://9rivers.linkka.com/2009/09/15/equivalent-of-which-in-windows-command-shell-pankaj-kumars-weblog/</link>
		<comments>http://9rivers.linkka.com/2009/09/15/equivalent-of-which-in-windows-command-shell-pankaj-kumars-weblog/#comments</comments>
		<pubDate>Tue, 15 Sep 2009 14:06:11 +0000</pubDate>
		<dc:creator>9rivers</dc:creator>
				<category><![CDATA[Notes]]></category>
		<category><![CDATA[Programming]]></category>
		<category><![CDATA[编程]]></category>
		<category><![CDATA[软件应用]]></category>
		<category><![CDATA[batch]]></category>
		<category><![CDATA[DOS]]></category>

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		<description><![CDATA[如果想要知道一个程序或命令在Windows操作系统上的全路径，请使用下面这个脚本，它和Linux的which命令一样。 Equivalent of &#8220;which&#8221; in Windows Command Shell Pankaj Kumars Weblog. 这个脚本的核心语句是 set fullpath=%~$PATH:1, 这是一个DOS批处理命令的modifier的特殊用法，会自动在环境变量中检索参数1并返回第一找到的结果，如果没找到则返回空字符串。（参见：http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/percent.mspx?mfr=true） 另外一个选择是安装 gnuwin32 的which实现： http://gnuwin32.sourceforge.net/packages/which.htm]]></description>
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