This example writes out the table of word counts to the tmpfile external file, and then relies on the sort external system command to sort the resulting report.

此示例先写出tmpfile外部文件的字数统计表，然后依赖sort外部系统命令对所得到的报告排序。

youdao

This example writes out the table of word counts to the tmpfile external file, and then relies on the sort external system command to sort the resulting report.

此示例先写出tmpfile外部文件的字数统计表，然后依赖sort外部系统命令对所得到的报告排序。

youdao