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MathGroup Archive 2005

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Re: Re: Re: Bug in Import?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54826] Re: [mg54797] Re: [mg54765] Re: Bug in Import?
  • From: DrBob <drbob at bigfoot.com>
  • Date: Wed, 2 Mar 2005 22:29:15 -0500 (EST)
  • References: <cvum3g$bmp$1@smc.vnet.net> <200503010658.BAA25162@smc.vnet.net> <200503020626.BAA08089@smc.vnet.net>
  • Reply-to: drbob at bigfoot.com
  • Sender: owner-wri-mathgroup at wolfram.com

>> Rather than a bug, the behavior originally cited would seem to
>> be a failure of the documentation to describe the default behavior
>> of Import when the file extension is ".dat".

Then describe it, please, so this behavior makes sense.

Bobby

On Wed, 2 Mar 2005 01:26:43 -0500 (EST), Murray Eisenberg <murray at math.umass.edu> wrote:

> Here's what I get:
>
>     $Version
> 5.1 for Microsoft Windows (October 25, 2004)
>
>     Export["test.dat", {{"2005-01-24", "2005-02-14"},
>     {"2005-01-24", "2005-02-14"}}];
>
>     Import["test.dat", "Text"] // InputForm
> "2005-01-24   2005-02-14\n2005-01-24   2005-02-14"
>
>     Import["test.dat"]
> {{"2005-01-24", "2005-02-14"}, {2005, -1, -24, 2005,
>     -2, -14}}
>
> Rather than a bug, the behavior originally cited would seem to be a
> failure of the documentation to describe the default behavior of Import
> when the file extension is ".dat".
>
>
> meznaric wrote:
>> Hm, this seems strange. I am using 4.1 and what happens is this:
>>
>> Export["R:\\test.dat",
>> {{"2005-01-24", "2005-02-14"},
>> { "2005-01-24", "2005-02-14"}}]
>>
>> Import["R:\\test.dat"]
>> {{1980, 1989}, {1980, 1989}}
>>
>> !! R:\\test.dat
>> 2005-01-24   2005-02-14
>> 2005-01-24   2005-02-14
>>
>> In the Import case Mathematica seems to have actually evaluated those
>> cells as if they hadn't been strings, but integers.
>>
>> In your case, it certainly seems to be a bug, though. How can two
>> identical list parts be exported/imported in a different way?
>>
>> Regards,
>> Sebastjan Meznaric
>>
>>
>



-- 
DrBob at bigfoot.com
www.eclecticdreams.net


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