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doc(uuidgen): add uppercase and uuidv4 examples #914

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Dec 16, 2024
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doc(uuidgen): add uppercase and uuidv4 examples #914

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24 changes: 24 additions & 0 deletions uuidv7/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,30 @@ uuidv7 ; uuidv7 ; uuidv7
01928d74-3ffb-7e06-abe9-3fe20e5cb5f2
```

### How to Generate UPPER CASE (like `uuidgen`)

```sh
uuidv7 | tr '[:lower:]' '[:upper:]'
```

```text
01928D73-D8ED-7211-A314-7081D763271D
```

### How to Generate v4 UUIDs?

Use `uuidgen`.

```sh
uuidgen
uuidgen | tr '[:upper:]' '[:lower:]'
```

```text
84FA79E5-024E-4388-8D10-91618B93BE9D
84fa79e5-024e-4388-8d10-91618b93be9d
```

### How could I roll my own UUID v7 generator?

It's not that hard. There are examples in many languages here:
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