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Date: Wed, 8 Jun 2011 09:00:32 +0200
Subject: Re: Dynamic Zero Padding.
From: Friedrich Clausen <fred@derf.nl>
To: Terry Reedy <tjreedy@udel.edu>
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On Wed, Jun 8, 2011 at 4:56 AM, Terry Reedy <tjreedy@udel.edu> wrote:
> On 6/7/2011 7:05 PM, John Posner wrote:
>
>> You might want to try "new style" string formatting [1], which I think
>> is better than the "old style" in this particular case:
>>
>> =A0 =A0 >>> "Testing {0:0{1}d}".format(42, 4)
>> =A0 =A0'Testing 0042'
>> =A0 =A0 >>> "Testing {0:0{1}d}".format(42, 9)
>> =A0 =A0'Testing 000000042'
>
> One cannot use a nested field in the 'name' part of the field (before the
> ':' (I tried), but are pretty free to nest in the actual specification pa=
rt
> after the ':'.
>
>>>> '{0:{1}}'.format(7,'b')
> '111'
>>>> '{0:{1}}'.format(7,'d')
> '7'

Thanks all for the many good suggestions - I am looking over them and
reading the referenced docs.

Cheers,

Fred.