Old 14th July 2006, 06:24   #1
sitha
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Help for writting a C++ program

Hi,
I am new to C++ program, Pls help me for following probelm.
I have a text file as following,
DYNAMIC ANALYSIS
ŽŸŒ³” ƒP[ƒX “à•”‰ÁU@Šˆ‰×d
3 1 0 0
KACC KDIS KSTS KSTN KSSR KJOT KNOD KRAT KSEC KMSS KWPR
7 7 14 14 0 14 1 0 0 1 0
FREQ GFREQ EXMAX
0.0 2.00 1.0D-6
VISCOUS BOUNDARY INFORMATION
3 2.00
77 60 11 66
0 0
‰Á‘¬“xŽž—ðo—͐ߓ_”ԍ†(KACC=0.OR.>NTJ‚̏ꍇ,íœ)
1080 1254 1484 1549 1563 1592 1608
JOINT‹““®o—Í—v‘f”ԍ†(KJOT=0.OR.>JOINT‚̏ꍇ,íœ)
7 8 20 22 117 118 127
128 129 130 133 134 139 140
NODES
1 -101.582 -234.742 280.000 3
2 -76.838 -234.742 280.000 3
3 -54.479 -234.742 280.000 3
4 -34.276 -234.742 280.000 3
5 -16.020 -234.742 280.000 3
6 0.476 -234.742 280.000 3
7 19.063 -234.742 280.000 3
8 37.649 -234.742 280.000 3
9 72.755 -234.742 280.000 3
10 112.781 -234.742 280.000 3
11 158.418 -234.742 280.000 3

Now I want to extract only nodes from this file and put them into another text file as follows,

101.582 -234.742 280.000
-76.838 -234.742 280.000
-54.479 -234.742 280.000
-34.276 -234.742 280.000
-16.020 -234.742 280.000
0.476 -234.742 280.000
19.063 -234.742 280.000
37.649 -234.742 280.000
72.755 -234.742 280.000
112.781 -234.742 280.000
158.418 -234.742 280.000
I should omit all the setences and other details, I only need coordinates of nodes in another text file. Pls help me how to write a program.

Regards,
Sitha.
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Old 14th July 2006, 07:15   #2
Mr Jones
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How many other forums have you posted at, or did you just come here because you've heard about the reputation of some of the geeks who inhabit here and thought it'd be a good place to get your homework done for you?
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Old 14th July 2006, 07:21   #3
mikm
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Will the nodes always be the final text in the file?

Anyways, doing something like that in C++ seems a bit overkill. I'd personally do it in Perl.

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Old 14th July 2006, 08:40   #4
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I'd use Java, but that's mostly because my development tools for Java are already open...

C++ is probably not the tool for the job though, no.

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Old 14th July 2006, 10:00   #5
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re:

I think you need ask this question here http://forums.devshed.com/
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Old 14th July 2006, 15:39   #6
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I think in a loop with std::string::search


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Old 14th July 2006, 15:58   #7
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It could be done in one line in Python.

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Old 14th July 2006, 17:09   #8
gameplaya15143
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read in 1 line at a time.. when you come to "NODES" you know the next lines are the ones you want

then all you have to do is rip the coords out of the string and put them in a new text file

I say to myself: thank you captain obvious

i'd say more, but i dont know the functions off the top of my head.. google is your friend
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Old 14th July 2006, 17:56   #9
mikm
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Quote:
Originally posted by gameplaya15143
read in 1 line at a time.. when you come to "NODES" you know the next lines are the ones you want

then all you have to do is rip the coords out of the string and put them in a new text file

I say to myself: thank you captain obvious

i'd say more, but i dont know the functions off the top of my head.. google is your friend
I'd have never thought to do it that way

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Old 14th July 2006, 18:58   #10
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I'd use Perl, but that's mostly because my source editor is already open...

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