21 lines
318 B
Markdown
21 lines
318 B
Markdown
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- 生成随机数 系统变量 echo $RANDOM
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```
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me@me-EQ59:~$ echo $RANDOM
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32656
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me@me-EQ59:~$ echo $RANDOM
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16858
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me@me-EQ59:~$ echo $RANDOM
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14105
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me@me-EQ59:~$ echo $RANDOM
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5455
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me@me-EQ59:~$
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```
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- 1-50的随机数
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```
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me@me-EQ59:~$ echo $[$RANDOM%50 + 1]
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14
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me@me-EQ59:~$ echo $[$RANDOM%50 + 1]
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49
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me@me-EQ59:~$
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```
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