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MathGroup Archive 2007

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Re: newlines, newlines ...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77680] Re: newlines, newlines ...
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Fri, 15 Jun 2007 04:22:27 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, UK
  • References: <f4r4nh$ad6$1@smc.vnet.net>

alexxx.magni at gmail.com wrote:
> I am wondering if there is a way, in M, to Print without getting a
> newline each time.
> It happens often to me when debugging, to introduce some kind of
> progress indicator, say:
> 
> Print[Floor[100*i/max_i], "%"]
> 
> but I didnt want to clutter the screen so much. Besides, hundreds of
> other possibilities come to mind when thinking about output without
> ending newline...
> 
> As a side note, trying to solve this (minor) problem, I happened to
> find:
> 
> ProgressIndicator[Dynamic[x]]
> 
> something which seemed perfect!
> Yet, I'm still unable to use it: for some reasons it is not updated
> <until> the calculation (which requires the progress indicator) is
> finished. At that point, useless, the bar moves from zero to full (and
> yes, dynamic updating is enabled)
> 
> Any hint for either problem is really welcome!
> 
> Alessandro Magni

You could use *WriteString* and the standard output stream as in,

WriteString["stdout", "Here we are: "]
Do[WriteString["stdout", StringJoin[ToString[n], " .. "]], {n, 10}]
WriteString["stdout", "The End!"]

Here we are: 1 .. 2 .. 3 .. 4 .. 5 .. 6 .. 7 .. 8 .. 9 .. 10 .. The End!

Regards,
Jean-Marc


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