Legend problem (some lines not visible)

[st.michal88]

Hi everybody,

 I am struggling a problem with displaying the legend on multiple curve
plot. Here is what I am doing:

for i=fn1:fn2
        nr = readdir (pwd);
        name=nr{i,1};
  
   if (isdir(nr(i))==0)
        
        if (index(nr(i),ext)!=0)                
          data = fopen (nr(i), "r");
          A=dlmread(data,'',lineskip,0);
          fclose(data);
          leg={leg{:}, name};
          h=plot(A(:,kol1),A(:,kol2),'-', "linewidth", lw);
          legend(leg);  
          set(gca(),"linewidth",2);
          hold all;
          else
          fprintf("File %s can not be loaded. It is not %s file.\n", name, 
ext);        
        endif
    
   endif

As a result I obtain a given plot but with a legend containing the names of
the files. Unfortunatelly some of the lines next to it indicating the color
of the curve are missing. What can be wrong? Is it a kind of a bug?

Thanks for help!

Michal
endfor



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