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15 lines
246 B
Bash
15 lines
246 B
Bash
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#!/bin/sh
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random_num=$(date +%s%N)
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echo $random_num
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#指定范围随机数
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rand(){
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min=$1
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max=$(($2-$min+1))
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num=$(date +%s%N)
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echo $(($num%$max+$min))
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}
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random_num2=$(rand 1 3)
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sleep ${random_num2}
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echo $random_num2
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