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---
tags:
- bash
---
The environment variable `RANDOM` contains an int between 0-32768.
```
min=10
max=20
echo $(($RANDOM%($max-$min+1)+$min))
20
echo $(($RANDOM%($max-$min+1)+$min))
14
```
Using parameter [[Expansion]] we can just grab the first number:
```
${RANDOM:0}
```
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