下面的代码执行前面扩展的管道示例并把输出重定向到同一个文件(ps_out)，但是追加到当前数据后面。

The following code executes the earlier extended pipeline example and redirects the output to the same file-ps_out-but appends to the current data.

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Tamper Data扩展有一种有用的模式，将页面装载数据的输出绘制成图形。

Another helpful mode of the Tamper data extension is to graph the output of the page load data.

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Web服务除需要传统的分布式和数据库事务模型所提供的行为之外，还需要有灵活的、可扩展的机制来对请求和输出结果进行控制。

Web services require a flexible and extensible mechanism for controlling requests and outcomes in addition to the behavior offered by traditional distributed and database transaction models.

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