Invoke the appropriate launch script from a command line.

从命令行调用适当的启动脚本。

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If your needs are more complicated, you can invoke a script and do whatever you want-even if it doesn't involve opening ports at all.

如果需要更复杂的操作，可以通过调用脚本执行所需的任何操作—操作甚至可以完全不涉及打开端口。

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To use the stock quote scraper, I simply invoke the script with the stock symbol of interest, as shown in Listing 4.

要使用股票价格scraper，只需使用感兴趣的那个股票的符号来调用这个脚本即可，如清单4所示。

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