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Tue Jan 14 22:28:44 CET 2014 · https://mail.python.org/pipermail/python-dev/2014-January/131556.html

On 01/14/2014 01:15 PM, Eric V. Smith wrote:
> On 1/14/2014 3:54 PM, Guido van Rossum wrote:
>> On Tue, Jan 14, 2014 at 12:13 PM, Ethan Furman <ethan at stoneleaf.us> wrote:
>>> In Py2, because '%15s' can actually take 17 characters, I have to use '%15s'
>>> % data_value[:15] everywhere.
>>
>> Wow. I thought there would be some combination using %.15s but I can't
>> get that to work. :-(
>
>>>> '%.15s' % 'abcdefghij1234567'
> 'abcdefghij12345'
>>>> '{:.15}'.format('abcdefghij1234567')
> 'abcdefghij12345'
>>>>
>
> Or, depending on what you're after:
>
>>>> '%15.15s' % 'abcde'
> '          abcde'
>>>> '%15.15s' % 'abcdefghij1234567'
> 'abcdefghij12345'

Huh.  Wish I'd known about that way back when!  ;)

--
~Ethan~

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[Python-Dev] PEP 460 reboot