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		<title>用shell控制在某个指定时刻执行命令</title>
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					<description><![CDATA[这种时间变动比较大，用cron不适合，且cron精度也不够 run_at.sh #!/bin/bash # 检查是否输入了时间戳参数 if [ "$#" -ne 1 ]; then echo "Usage: $0 yyyymmddhhmmss" exit 1 fi timestamp=$1 # 解析目标时间并获取其Unix时间戳（秒）和纳秒部分 target_seconds=$(date -d "${timestamp:0:8} ${timestamp[......] 继续阅读]]></description>
		
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