load a txt file to load a columns in a tex box on GUI

Question

Biza Ferreira 2014-8-31

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编辑： Biza Ferreira 2014-9-1

I have made a interface on GUI Matlab, now a have a button to open a .txt file. I need load into a text box, some data how coming from txt file. But my problem is that data are disposed in columns like this.

Vol AA MM DD hh mm ss

I have done this code: if true % code [filename pathname] = uigetfile({'*.txt'},'Open File'); fullpathname =strcat(pathname, filename); text= fileread(fullpathname); set(handles.pathy,'String',fullpathname); end

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Jos 2014-8-31

Hi,

I'm not entirely sure what you want to do, could you show what the text file looks like and what exactly you want to display in the text box

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Answer 1

Jos 2014-8-31

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在 MATLAB Online 中打开

[filename, pathname] = uigetfile({'*.txt'},'Open File'); 
fullpathname = strcat(pathname, filename); 
fileVars = dlmread(fullpathname,'',0,0);
displayVar = fileVars(1,3);
set(handles.pathy,'String',num2str(displayVar));

fill in the row and column you want on line 4

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Answer 2

Biza Ferreira 2014-8-31

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编辑：Biza Ferreira 2014-8-31

ok

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Jos 2014-8-31

what do you want to display in the text box? Currently you're printing the path and file name, do you want to show all data lines in your file in the text box? If so, you want to replace set(handles.pathy,'String',fullpathname) with set(handles.pathy,'String',text)

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Answer 3

Biza Ferreira 2014-8-31

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For exemple just de first line and third column

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Answer 4

Biza Ferreira 2014-8-31

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编辑：Biza Ferreira 2014-9-1

Thank You Jos for your answer. I am developing an ECG, which stores the data on SDcard, at this time trying to make a friendly interface. Vol means voltage AA means year MM means month ... .. when I load the file I want to display data from the first acquisition and the acquisition purchase made. The microcontroller records the data the way I showed you above. And Iam trying to put voltage and time in a dynamic graphic, to see all time line extension, and show start date acquisition like this