The operation of reading from a file is very straight forward, we open a file stream, create an array to hold the data, and finally read all the data into the array.
从文件中读取内容的操作是非常直截了当的：我们打开一个文件流对象，创建一个数组来放置数据，最后把所有数据都读到这个数组中。
A delimited ASCII (del) file is a stream of ASCII characters; rows in the data stream are separated by row delimiters, and column values within a row are separated by column delimiters.
分隔的ASCII (DEL)文件是ASCII字符流；数据流中的行由行分隔符分隔，而行中的列值由列分隔符分隔。
Reads the next ZIP file entry and positions stream at the beginning of the entry data.
读取下一个ZIP文件项，并把流定位在项数据的开始位置。
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