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I would like to set a variable equal to a copy n' pasted list, all within the Manipulate[] environment:

 Manipulate[list,{list,0}]

I would like to view and edit the elements of the list within the input field. The problem is the "white space" is not long enough to view the entire pasted list.

How can I make the input field larger, as if I were entering in a paragraph of text?

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really hard to understand, since no simple MWE is given. Is this what you want? Manipulate[list, {list, 0},ContentSize -> 1000] !Mathematica graphics (if you have a put complete example with some input, this will have eliminated the guess work) –  Nasser Aug 19 '13 at 16:57
    
Thanks - that's actually what I was looking for - just an expanded view within manipulate. –  David Aug 19 '13 at 17:05
    
In addition to the answer given, you could also try ContentSize->Automatic. From help: automatically size to fit. There are number of other options as well. –  Nasser Aug 19 '13 at 19:26
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1 Answer

Perhaps this?

list2 = RandomReal[1, 200];
Manipulate[Length@list, {list, 0, ImageSize -> Full}]

Mathematica graphics

With list2 pasted into the InputField:

Mathematica graphics

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