[squeak-dev] Re: Trying to import csv data, no love
Andreas Raab
andreas.raab at gmx.de
Thu Aug 5 07:30:26 UTC 2010
On 8/5/2010 12:03 AM, Casey Ransberger wrote:
> Haha! UI hangs and CPU spikes to the top; battery starts draining fast.
>
> "That tingling means it's working!"
>
> Only takes a couple of minutes, really. I suppose this is a question I'd
> have to ask eventually; is there a simple way to spin something like
> this off as a separate (green) thread, such that Morphic still responds
> while the job is running?
Sure. Try this:
[rows := CSVParser parse: file.
SampledSound playSoundNamed: 'coyote'] forkAt: Processor
userBackgroundPriority.
When the coyote howls, you're done :-)
Cheers,
- Andreas
>
> On Wed, Aug 4, 2010 at 11:42 PM, Andreas Raab <andreas.raab at gmx.de
> <mailto:andreas.raab at gmx.de>> wrote:
>
> On 8/4/2010 11:25 PM, Casey Ransberger wrote:
>
> rows := CSVParser parse: (FileStream readOnlyFileNamed:
> '/Users/casey/Desktop/SCDB_2010_01_justiceCentered_Vote.csv')
>
>
> Try changing this to:
>
> file := FileStream readOnlyFileNamed: 'myfile.csv'.
> file converter: Latin1TextConverter new.
> rows := CSVParser parse: file.
>
> Cheers,
> - Andreas
>
>
> Got...
>
> "Error: invalid utf8 input detected"
>
> Relevant region of code might be...
>
> MultiByteFileStream>>next
>
> | char secondChar state |
> char := converter nextFromStream: self.
>
>
> converter is a UTF8TextConverter. Wondering if maybe I need a
> different
> text converter? Given that this is a CSV file, I'm thinking the
> system
> might be expecting UTF-8 where it's actually getting ASCII. The CSV
> package hasn't had any attention in a while, so that makes some
> sense
> (IIRC there was a shift to UTF-8 not very long ago, no?)
>
> If anyone is wondering, I'm playing with an idea around dynamic
> data-centric web interfaces:) and need some raw data to
> represent, hence
> the CSV file.
>
> Any ideas?
> --
> Casey Ransberger
>
>
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>
> --
> Casey Ransberger
>
>
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>
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