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quick lua implementation of "random" UUID
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| local random = math.random | |
| local function uuid() | |
| local template ='xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx' | |
| return string.gsub(template, '[xy]', function (c) | |
| local v = (c == 'x') and random(0, 0xf) or random(8, 0xb) | |
| return string.format('%x', v) | |
| end) | |
| end |
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