在所有行都处理完毕之后，awk执行END代码块，并打印最终的汇总信息，以显示它找到的空白行数。

After all the lines have been processed, the END block will execute, and awk will print out a final summary, specifying the number of blank lines it found.

youdao

在所有行都处理完毕之后，awk执行END代码块，并打印最终的汇总信息，以显示它找到的空白行数。

After all the lines have been processed, the END block will execute, and awk will print out a final summary, specifying the number of blank lines it found.

youdao