BEGIN{
        FS=":";
#       split($0,,":");
        printf "ͳ¼ÆÏúÊÛ½ð¶î";
        total=0;
}
        {
        print $3;
        total=total+$3;
}
END{
        printf("ÏúÊÛ×ܼÆ: %.2f",$total);
        }

出现的问题及详情，后解

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