How to change my code to read a second datafile?

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Sam 2014-12-26

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关闭： MATLAB Answer Bot 2021-8-20

I've got a datafile called 'data_stair_rise'. This datafile contains measurements ( being c3dfiles ) for 5 subjects. I've created a code to read these c3dfiles. I also got a second datafile called 'data_sts'. Is it possible to not simple 'copy-paste' my code and switch 'data_stair_rise' by 'data_sts', but to load data_sts by adjusting my code?

This is my code:

aantal_proefpersonen = length(dir('data_stair_rise'))-2;
for welke_pp=1:aantal_proefpersonen %for 5 subjects
  myFolder =sprintf('data_stair_rise/pp%c',num2str(welke_pp));
      filePattern = fullfile(myFolder,'*.c3d');
c3dFiles = dir(filePattern);
for i_files=1:length(c3dFiles); %for all c3dfiles for each subject
   baseFileName = c3dFiles(i_files).name;
   fullFileName = fullfile(myFolder, baseFileName);
   [VideoSignals,VideoSignals_headers,AnalogSignals,AnalogSignals_headers,AnalogFrameRate,VideoFrameRate] = read_c3d_file(fullFileName); %function to read the c3dfiles
  data_stair_rise(welke_pp, i_files).VideoSignals = VideoSignals; % created a struct to store the data
  data_stair_rise(welke_pp, i_files).VideoSignals_headers = VideoSignals_headers;
  data_stair_rise(welke_pp, i_files).AnalogSignals = AnalogSignals;
  data_stair_rise(welke_pp, i_files).AnalogSignals_headers = AnalogSignals_headers;
  data_stair_rise(welke_pp, i_files).AnalogFrameRate = AnalogFrameRate;
  data_stair_rise(welke_pp, i_files).VideoFrameRate = VideoFrameRate;
end
end

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dpb 2014-12-26

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Same as I said originally except hardcode those filenames into the top-level routine and then call the generic one with those names in a loop.

Or, use the dir solution and get

d=dir('data_*.*');

and loop thru it. If there are ones that aren't wanted, skip 'em or revise the naming scheme to have a better pattern-matching facility.

There are as many ways as people to suggest them...

Sam 2014-12-27

在 MATLAB Online 中打开

So if this is my code, what should I do?

function read_data_stair_rise
%-2 vanwege twee lege plaatsen bij gebruik van dir()
aantal_proefpersonen = length(dir('data_stair_rise'))-2;
%eerste for-loop voor het totaal aantal proefpersonen (5)
for welke_pp=1:aantal_proefpersonen
  myFolder =sprintf('data_stair_rise/pp%c',num2str(welke_pp));
  %bepalen van het filepatroon om het later te kunnen inlezen 
  filePattern = fullfile(myFolder,'*.c3d');
  c3dFiles = dir(filePattern);
%tweede for-loop voor het totaal aantal c3dFiles voor elke proefpersoon
for i_testen=1:length(c3dFiles);
  %baseFileName gehaald uit 'dir(filePattern)'
  baseFileName = c3dFiles(i_testen).name;
  %volledige filename 'bouwen' met fullfile() commando
  fullFileName = fullfile(myFolder, baseFileName);
  %gegeven functie 'read_c3d_file()' voor het inlezen van de data
  [VideoSignals,VideoSignals_headers,AnalogSignals,AnalogSignals_headers,AnalogFrameRate,VideoFrameRate] = read_c3d_file(fullFileName);
  %het aanmaken van een 5x5 struct voor het bestand data_stair_rise
  data_stair_rise(welke_pp, i_testen).VideoSignals = VideoSignals;
  data_stair_rise(welke_pp, i_testen).VideoSignals_headers = VideoSignals_headers;
  data_stair_rise(welke_pp, i_testen).AnalogSignals = AnalogSignals;
  data_stair_rise(welke_pp, i_testen).AnalogSignals_headers = AnalogSignals_headers;
  data_stair_rise(welke_pp, i_testen).AnalogFrameRate = AnalogFrameRate;
  data_stair_rise(welke_pp, i_testen).VideoFrameRate = VideoFrameRate;
end
end
end

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How to change my code to read a second datafile?

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