因为此程序只能显示消息或运行命令，所以它拒绝创建既不是消息也不是命令的警报。

Since this program can only display messages or run commands, it refuses to create an alarm that has neither a message nor a command.

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清单2显示了运行该脚本所需的命令。

Listing 2 shows the commands to run the script.

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清单2显示运行中的该命令。

Listing 2 shows this command in action.

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