Unique S/N Generator?

[daniel mcfarland]

On Mon, Feb 7, 2011 at 10:55 AM, daniel mcfarland <
daniel.mcfarland at gmail.com> wrote:

>
>   This is ridiculous:
>
>   apt-get install uuid
>   ./uuid
>
>   Done.
>
>
> On Mon, Feb 7, 2011 at 9:19 AM, devicerandom <devicerandom at gmail.com>wrote:
>
>> On 07/02/11 17:01, Amichai Rotman wrote:
>>
>>> Hello,
>>>
>>> I would like to hand out some Coupons to my customers granting the 2-3
>>> hours free phone support as part of a marketing campaign.
>>>
>>> I am looking for a way to generate a unique S/N number / code
>>> (preferably letters and numbers) for them to read back to me over the
>>> phone, so I can verify it's authenticity and provide them the service.
>>>
>>> Is there a tool out there I can use?
>>>
>>
>> With a bit of Python you can go anywhere. This code *should* generate
>> 10000 unique alphanumeric codes and save them to a text file (I haven't
>> tested it).
>>
>>
>> #!/usr/bin/env python
>>
>> import random
>> a='1234567890abcdefghi' #we return permutations of this string
>>
>> a = list(a)
>>
>> codes=[]
>>
>> for i in range(10000): #we generate 10000 codes
>>    code = ''.join(random.shuffle(a)))
>>    if not (code in codes): #avoid duplicates -very improbable but cheap
>>       codes.append(code)
>>
>> f = open('codes.txt','w')
>> f.write('\n'.join(codes))
>> f.close()
>>
>>
>>
>>  I'd like to set different ranges of codes for different target audiences.
>>>
>>
>> This is easy -just include a unique character for each target audience in
>> the initial string.
>>
>> http://docs.python.org/library/random.html can help.
>>
>> cheers,
>> m.
>>
>> --
>> http://devicerandom.org
>>
>> --
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>>
>
>
  Woops, forgot to bottom quote.

  Gotta love it.
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