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how to fgetl and sscanf numbers only
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summer8  
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 More options Sep 24 2012, 5:17 am
Newsgroups: comp.soft-sys.matlab
From: "summer8 " <sumi_r...@hotmail.com>
Date: Mon, 24 Sep 2012 09:17:09 +0000 (UTC)
Local: Mon, Sep 24 2012 5:17 am
Subject: how to fgetl and sscanf numbers only
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Hi,
I'm trying to read the numbers only from each line but without reading the ND or the commas.

ND, 1,      -0.0104594     -0.12456164  6.0715322E-017
ND, 2,   -0.0098119825     -0.12460658   -0.0013874772
ND, 3,   -0.0096356887     -0.11458401    -0.001629882

With the numbers read, is it possible to sscanf them into another textfile and place the read numbers in this structure format?

<node id="1">-0.0104594,-0.12456164,6.0715322E-017</node>
<node id="2"> -0.0098119825,-0.12460658,-0.0013874772</node>
<node id="3">0.0096356887,-0.11458401,-0.001629882 </node>


 
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dpb  
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 More options Sep 24 2012, 10:00 am
Newsgroups: comp.soft-sys.matlab
From: dpb <n...@non.net>
Date: Mon, 24 Sep 2012 09:00:11 -0500
Local: Mon, Sep 24 2012 10:00 am
Subject: Re: how to fgetl and sscanf numbers only
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On 9/24/2012 4:17 AM, summer8 wrote:

> Hi, I'm trying to read the numbers only from each line but without
> reading the ND or the commas.
> ND, 1, -0.0104594 -0.12456164 6.0715322E-017
> ND, 2, -0.0098119825 -0.12460658 -0.0013874772
> ND, 3, -0.0096356887 -0.11458401 -0.001629882

> With the numbers read, is it possible to sscanf them into another
> textfile and place the read numbers in this structure format?
> <node id="1">-0.0104594,-0.12456164,6.0715322E-017</node>
> <node id="2"> -0.0098119825,-0.12460658,-0.0013874772</node>
> <node id="3">0.0096356887,-0.11458401,-0.001629882 </node>

Use textscan() w/ 'delimiter',',' and skip the first field or use the
'treatasempty' parameter.

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dpb  
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 More options Sep 24 2012, 12:40 pm
Newsgroups: comp.soft-sys.matlab
From: dpb <n...@non.net>
Date: Mon, 24 Sep 2012 11:40:40 -0500
Local: Mon, Sep 24 2012 12:40 pm
Subject: Re: how to fgetl and sscanf numbers only
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On 9/24/2012 9:00 AM, dpb wrote:

...

Or, just go straightahead w/ fscanf/fprintf...

 >> c={'ND, 1,      -0.0104594     -0.12456164  6.0715322E-017';
'ND, 2,   -0.0098119825     -0.12460658   -0.0013874772';
'ND, 3,   -0.0096356887     -0.11458401    -0.001629882'};
 >> reshape(sscanf(char(c)','ND, %d, %f %f %f'),4,[])'
ans =
     1.0000   -0.0105   -0.1246    0.0000
     2.0000   -0.0098   -0.1246   -0.0014
     3.0000   -0.0096   -0.1146   -0.0016
 >> fprintf('<node id="%d">%f,%f,%f</node>\n',ans')
<node id="1">-0.010459,-0.124562,0.000000</node>
<node id="2">-0.009812,-0.124607,-0.001387</node>
<node id="3">-0.009636,-0.114584,-0.001630</node>
 >>

Salt to suit...NB the locations of the transpose operator...

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