MATLAB: I want to get the value of a variable from a table

MATLAB

As you can see my input is a .txt-File. This .txt-File has several sections for plotting diagrams. One section is my diagram options. I need this variables for formatting my scatter diagram. You can see i store all variables from the section Diagram Options to the variable (table) diagramoptions.
So now to my question: I want to get the value from the variable number_of_plots from the diagramoptions table. How can i do this? Here is my Code and Input-File.
thank you
diagramoptions = [];
diagramlimits = [];
inputdata = [];
diagramoptions2 = [];
diagramlimits2 = [];
inputdata2 = [];
diagramoptions3 = [];
diagramlimits3 = [];
inputdata3 = [];
wholecontent = fileread('Rainflow_Data_Limits_Settings - Copy.txt')
sections = regexp(wholecontent, '\*+([^*]+)\*+([^*]+)', 'tokens')
for section = sections
   switch(strtrim(section{1}{1}))
     % if strcmp(strtrim(section{1}{1}), 'Diagram Options') 
       case 'Diagram Options' %Diagram Options -> siehe meine Gliederung im .txt file


          keyvalues = regexp(section{1}{2}, '([^\n\r=]+)=([^\n\r=]+)', 'tokens')%\n -> new line; \r carriage return


          diagramoptions = cell2table(vertcat(keyvalues{:}), 'VariableNames', {'Key', 'Value'})
     % end    
       case 'Diagram Limits'
          header = strsplit(regexp(section{1}{2}, '[^\n\r]*', 'match', 'once'))
          content = textscan(section{1}{2}, repmat('%f', 1, numel(header)), 'HeaderLines', 2)
          diagramlimits = table(content{:}, 'VariableNames', header)
         case 'Input Data'
            inputdata = cell2mat(textscan(section{1}{2}, '%f%f%f', 'HeaderLines', 1))%dh: ich habe 1 Headerline zur besseren übersicht


         case 'Diagram Options2' %Diagram Options -> siehe meine Gliederung im .txt file
            keyvalues2 = regexp(section{1}{2}, '([^\n\r=]+)=([^\n\r=]+)', 'tokens')%\n -> new line; \r carriage return
            diagramoptions2 = cell2table(vertcat(keyvalues{:}), 'VariableNames', {'Key', 'Value'})
         case 'Diagram Limits2'
            header2 = strsplit(regexp(section{1}{2}, '[^\n\r]*', 'match', 'once'))
            content2 = textscan(section{1}{2}, repmat('%f', 1, numel(header2)), 'HeaderLines', 2)
            diagramlimits2 = table(content2{:}, 'VariableNames', header2)    
         case 'Input Data2'
            inputdata2 = cell2mat(textscan(section{1}{2}, '%f%f%f', 'HeaderLines', 1))%dh: ich habe 1 Headerline zur besseren übersicht
          case 'Diagram Options3' %Diagram Options -> siehe meine Gliederung im .txt file
            keyvalues3 = regexp(section{1}{2}, '([^\n\r=]+)=([^\n\r=]+)', 'tokens')%\n -> new line; \r carriage return
            diagramoptions3 = cell2table(vertcat(keyvalues{:}), 'VariableNames', {'Key', 'Value'})
         case 'Diagram Limits3'
            header3 = strsplit(regexp(section{1}{2}, '[^\n\r]*', 'match', 'once'))
            content3 = textscan(section{1}{2}, repmat('%f', 1, numel(header3)), 'HeaderLines', 2)
            diagramlimits3 = table(content3{:}, 'VariableNames', header3)
         case 'Input Data3'
            inputdata3 = cell2mat(textscan(section{1}{2}, '%f%f%f', 'HeaderLines', 1))%dh: ich habe 1 Headerline zur besseren übersicht
        otherwise
            warning('Unknown section: %s', section{1}{1})
     end
  end
%öffnet die output fenster
openvar diagramoptions
openvar diagramlimits 
openvar inputdata 
openvar diagramoptions2
openvar diagramlimits2
openvar inputdata2 
openvar diagramoptions3
openvar diagramlimits3 
openvar inputdata3

Best Answer

Phillipp, I'm not exactly sure what you're aksing to do, but in general if you have a table named diagramoptions containing a variable named number_of_plots, then
diagramoptions.number_of_plots
returns the entire variable as (probably) a vector in whatever its "native" type is, and
diagramoptions.number_of_plots(5)
returns the 5th element of that variable. This is described in the doc .
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