uuid (3)

NAME

uuid - UUID generation and comparison

SYNOPSIS

package require Tcl 8.5

package require uuid ?1.0.4?

::uuid::uuid generate

::uuid::uuid equal id1 id2

DESCRIPTION

This package provides a generator of universally unique identifiers (UUID) also known as globally unique identifiers (GUID). This implementation follows the draft specification from (1) although this is actually an expired draft document.

COMMANDS

::uuid::uuid generate

Creates a type 4 uuid by MD5 hashing a number of bits of variant data including the time and hostname. Returns the string representation of the new uuid.

::uuid::uuid equal id1 id2

Compares two uuids and returns true if both arguments are the same uuid.

EXAMPLES

% uuid::uuid generate
b12dc22c-5c36-41d2-57da-e29d0ef5839c

REFERENCES

[1]

Paul J. Leach, "UUIDs and GUIDs", February 1998. (www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt)

BUGS, IDEAS, FEEDBACK

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category uuid of the Tcllib Trackers [core.tcl.tk/tcllib/reportlist] Please also report any ideas for enhancements you may have for either package and/or documentation.

KEYWORDS

GUID, UUID

CATEGORY

Hashes, checksums, and encryption

COPYRIGHT

Copyright (c) 2004, Pat Thoyts <patthoyts@users.sourceforge.net>