uuid¶

Generate UUIDs.

Synopsis¶

tofu uuid [flags]

Generate Universally Unique Identifiers (UUIDs) of various versions.

Flag	Short	Description	Default
`--count`	`-n`	Number of UUIDs to generate	`1`
`--version`	`-v`	UUID version (1, 3, 4, 5, 6, 7)	`4`
`--namespace`	`-s`	Namespace for v3/v5: `dns`, `url`, `oid`, `x500`, or UUID
`--name`	`-d`	Name/data for v3/v5

Generate a random UUID (v4):

tofu uuid

Generate multiple UUIDs:

tofu uuid -n 5

Generate UUID v1 (time-based):

tofu uuid -v 1

Generate UUID v7 (time-ordered random):

tofu uuid -v 7

Generate UUID v5 (SHA-1 namespace):

tofu uuid -v 5 -s dns -d "example.com"

Generate UUID v3 (MD5 namespace):

tofu uuid -v 3 -s url -d "https://example.com"

Use custom namespace:

tofu uuid -v 5 -s "6ba7b810-9dad-11d1-80b4-00c04fd430c8" -d "mydata"

Version	Description
1	Time-based (MAC address + timestamp)
3	MD5 hash of namespace + name
4	Random (most common)
5	SHA-1 hash of namespace + name
6	Reordered time-based (sortable)
7	Unix timestamp + random (sortable, recommended)

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