[Pharo-project] Decimal comma

John Toohey jt at parspro.com
Wed Feb 23 00:09:01 CET 2011


Very nice, many thanks. I'm curious as to why this has not come up
before. Any program getting data from a screen or from a file could
contain numbers in this format.

Thanks again.

On Tue, Feb 22, 2011 at 17:57, Ricardo Moran <richi.moran at gmail.com> wrote:
> Ok, ignore my last message, this new change set I'm attaching is a little
> nicer. It doesn't add an unnecessary SqNumberParser subclass and it lets you
> write something like this:
> Number readFrom: '3,14' decimalPoint: $,
>
> I also tried configuring the decimal point with a preference but the result
> was a little dangerous because new code using the wrong decimal point
> wouldn't compile, so I think this is a reasonable good solution to your
> problem. I hope it helps.
> Cheers
> Richo
>
> On Tue, Feb 22, 2011 at 7:30 PM, Ricardo Moran <richi.moran at gmail.com>
> wrote:
>>
>> I don't know if there is already a way of doing this, but I attached a
>> simple hack that lets you read commas as decimal points by executing
>> something like this:
>> (DecimalCommaNumberParser on: '3,14') nextNumber -> 3.14
>> I know this is not elegant, but it works. There seems to be some other
>> places where the decimal point is hardcoded. Maybe we should make
>> SqNumberParser take the decimal point as a parameter. Or have a preference
>> to choose that. I don't know...
>> Cheers
>> Richo
>>
>> On Tue, Feb 22, 2011 at 5:53 PM, John Toohey <jt at parspro.com> wrote:
>>>
>>> Without changing the OS locale, is there an easy was to have Pharo
>>> recognize a comma as a decimal point, i.e. '2,13' asNumber -> 2,13. I
>>> am receiving number from a Seaside app, in this format, and I need to
>>> convert them before storing them in Postgres. Currently '2,12'
>>> asNumber gives 2.
>>>
>>> --
>>> ~JT
>>>
>>
>
>



-- 
~JT




More information about the Pharo-project mailing list