Given such a setup, you can construct a simple BASH shell script (see Listing 8) to check for DWG and DXF files in this location and trigger the converter with the appropriate command-line arguments.

有了这样的设置，就可以构造一个简单的BASH shell脚本(参见清单8)来检查此位置的DWG和DXF文件并且通过适当的命令行参数触发这个转换器。

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A shell body is arranged outside the frequency converter control circuit and is provided with a wiring terminal, a control switch, an indication light and a displaying screen.

所述的变频器控制电路外部设置有壳体，在壳体上设置有接线端子、控制开关、指示灯和显示屏。

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