How to import data of the form [variable name]Data[-]

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Simon Dengler 2022-2-12

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1648285-how-to-import-data-of-the-form-variable-name-data

评论： Simon Dengler 2022-2-14

I want to read data and variables from a specially formatted file as MATLAB variables. Preferably into a structure.

I am looking for the best approach for a quick solution. unfortunately I am stuck. Maybe someone can give me a helpful hint.

Data in the file have the strucktur:

[variable name]

data

[-]

[variable name]

x1 y1

x2 y2

x3 y3

[-]

A shortened example file:

Instrument Name

File Format Version

[DateTime]

1643810991

[-]

[GenParams]

[CableID]

[-]

[FiberID]

[-]

[FiberType]

[-]

[Settings]

[Wavelength]

[-]

[PulseWidth]

[-]

[End]

35.000

[-]

[Start]

0.000

[-]

[DataPoints]

0.011 -5.000

0.036 -5.000

0.061 -5.000

[-]

6 个评论
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Simon Dengler 2022-2-14

Of course, I've already looked at the manufacturer, who doesn't provide anything. the company is also far too small and the product far too niche. I will have to tackle the task myself.

I haven't built a praser yet. now I'm looking for information how to do that

Stephen23 2022-2-14

@Simon Dengler: please upload a sample file by clicking the paperclip button.

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采纳的回答

Stephen23 2022-2-14

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1648285-how-to-import-data-of-the-form-variable-name-data#answer_895600

编辑：Stephen23 2022-2-14

在 MATLAB Online 中打开

test.txt

rgx = '\[(\w+)\]\s*([^\[]+)\[\-\]';
str = fileread('test.txt');
tkn = regexp(str,rgx,'tokens');
tkn = vertcat(tkn{:});
tmp = cellfun(@str2num,tkn(:,2),'uni',0);
out = cell2struct(tmp,tkn(:,1),1);
out.DateTime = datetime(out.DateTime,'ConvertFrom','posix')
out = struct with fields:
      DateTime: 02-Feb-2022 14:09:51
       CableID: []
       FiberID: []
     FiberType: 0
    Wavelength: 1
    PulseWidth: 7
           End: 35
         Start: 0
    DataPoints: [4×2 double]
out.DataPoints
ans = 4×2
    0.0110   -5.0000
    0.0110   -5.0000
    0.0360   -5.0000
    0.0610   -5.0000