In one test, documents were left in the Inbox, while in the second test, we limited the number of documents in the Inbox to 25 percent of the total document count in the mail file.

对于其中的一个测试，文档保留在收件箱中，同时在第二个测试中，我们限制收件箱中文档的数量是邮件文件文档总数的25%。

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With multiple files, grep with the -c option returns a separate count for each file, one on each line, whereas a pipe to wc gives a total count for all files combined.

对于多个文件，带- c选项的grep返回每个文件的单独计数，每行一个计数，而针对wc的管道则提供所有文件的组合总计数。

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For this example, you create a count function to read the entire file into one big string, and then count the total number of characters and the number of newline characters.

对于本例来说，创建count函数来将整个文件读取到一个大字符串中，然后计算参数数量及新添参数数量。

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