Processing a text file often consists of sequentially reading a unit of information (typically either a character or a line) and doing something in response to the unit you've just read.
处理文本文件通常包括读取信息单元(通常叫做字符或行)，然后对刚读取的单元执行适当操作。
A lot of people write to me, after reading The Joel test, to say, "you should have a 13th thing on here: unit Testing, 100% unit tests of all your code."
在读了《祖尔测试》一文后，很多人都会对我说上一番如此之类的话：“你应当加上第13项测试：单元测试，100%单元测试你的代码。”
The simplest way of getting the data from the Arduino is with the unit connected directly to a host computer Universal Serial Bus (USB) interface, reading the data as if it were a serial connection.
从 Arduino 获得数据最简单的方式是让此单元直接连接到主机计算机的 Universal Serial Bus (USB) 接口，像串行连接那样读取数据。
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