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	<title>popen - 四号程序员</title>
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		<title>Linux下使用popen执行子进程并获得其输出</title>
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		<pubDate>Sun, 19 Dec 2010 16:42:45 +0000</pubDate>
				<category><![CDATA[C && C++]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[C]]></category>
		<category><![CDATA[popen]]></category>
		<category><![CDATA[例子]]></category>
		<category><![CDATA[子进程]]></category>
		<category><![CDATA[教程]]></category>
		<category><![CDATA[获得]]></category>
		<category><![CDATA[输出]]></category>
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					<description><![CDATA[GString* exec_and_out(char* cmd) { GString* ret = g_string_new(""); FILE* stream = NULL; char buf[128]; size_t len = 0; //popen execute and open stream stream = popen(cmd, "r"); if (stream != NULL) { while (!feof(stream)) { len = fread([......] 继续阅读]]></description>
		
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