Filtering message class — for routing within a message flow based on the contents of a message.

消息筛选类，用于在消息流中根据消息的内容对其进行路由。

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Routing within the message flow based on file content.

消息流中基于文件内容的路由。

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Using the RouteToLabel node is one method of routing file records through a message flow based on message content. In this example, the FileInput node reads an input file as shown.

使用RouteToLabel节点是通过消息流基于消息内容路由文件记录的方法之一。

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