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Re: CompressedData in Buttons

  • To: mathgroup at smc.vnet.net
  • Subject: [mg120574] Re: CompressedData in Buttons
  • From: A Retey <awnl at gmx-topmail.de>
  • Date: Fri, 29 Jul 2011 08:02:39 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <j0trvu$d59$1@smc.vnet.net>

Hi,

> I have some Buttons that display various data, e.g., area,
> population, density, etc. of U.S. states, and would like to update
> the data. I have only the buttons, not the Input code that produced
> them long ago. Using Show Expression on the button reveals that,
> instead of being in List form, much of the data appears as
> "CompressedData[ ... (gibberish) ...].
>
> How can I recover the original, uncompressed, data so that I can
> revise it? I found nothing in the Documentation Center or Virtual
> Book, and none of the  74 hits on wolfram.com appear to shed any
> relevant light.

I think you will just need to apply Uncompress to the "glibberish", 
which should be a string. If you have the CompressedData[..] as an 
expression, you can convert the compressed part with:

CompressedData["..."] /. Verbatim[CompressedData][s_String] :> Uncompress[s]

hth,

albert




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