How do I copy column datas from multiple .txt file to new file?

I have 365 output data (.txt files) for one year. Output has a date in its name and each has a structure as follows:

#comment
#comment
#comment
#comment
#comment
#Time(UTC)      nV
20140102T000000 006.36
20140102T000030 006.39
20140102T000100 006.43
20140102T000130 006.46
20140102T000200 006.49
20140102T000230 006.53
20140102T000300 006.56
20140102T000330 006.59
20140102T000400 006.60
20140102T000430 006.63
20140102T000500 006.67
.
.
.
.

I attached an example file. It is a data of 2nd Jan, 2014.

What I want to do is to copy value of nV with the date from all files to new one combined result file.

For one file I tried readtable function to plot for one day. However, I faces problems to plot for one year data.

Answer 1

[KSSV]

You can read your text file using the below code snippet.

filename = 'ab20140102.txt' ;
fid = fopen(filename,'r');
data = textscan(fid,'%s%f','HeaderLines',6);
fclose(fid);
c2 = data{2} ;   % second column 

To read all the text files and save them use:

files = dir('*.txt') ;
N = length(files);   % total number of files 
data = cell(N,1) ;   % store data into cell 
% loop for each file 
for i = 1:N
    thisfile = files(i).name ;     
    fid = fopen(thisfile,'r');
    thisdata = textscan(fid,'%s%f','HeaderLines',6);
    fclose(fid);
    data{i} = thisdata{2} ;   % second column 
end

After you can convert them into a matrix if each cell has same data using cell2mat. Read about it.

[Nar Gomboo]

Thank you for the answer. However, when I ran the code , it only shows number of lines x 1 size cells. I attached the screenshot.

[KSSV]

I have mentioned to use Cell2mat. Did you try that?

[Nar Gomboo]

I had skipped the cell2mat part. Now It is working perfectly. Thank you.