awk 输出最后一列

要输出awk命令中的最后一列，可以使用$NF作为列号来表示最后一列。例如，可以使用以下命令来输出文件中的最后一列：

awk '{print $NF}' file

其中，file是你要处理的文件名。这个命令会打印文件中每一行的最后一列。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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