How to load a .dat file?
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How to load a .dat file? I saved the Oscilloscope(waverunner 610zi) Please refer to the attached file and let me know.
3 个评论
Ameer Hamza
2018-5-6
The files you attached are empty. They don't contain any Oscilloscope readings.
milksba
2018-5-6
Ameer Hamza
2018-5-6
Yes, the file now contains the data. Please check my answer below.
采纳的回答
Ameer Hamza
2018-5-6
编辑：Ameer Hamza
2018-5-6
You can import the file easily by import tool
uiimport
but if you want to import it programatically, do it like this
f = fopen('M1--L10-22 TR SW--00000.dat');
data = textscan(f, '%f %f');
data = cell2mat(data); % convert to matrix from cell array
fclose(f)
5 个评论
Stephen23
2018-5-6
Never fopen a file without also fclose-ing it!
Opening lots of files without closing is a common cause of questions on this forum. Beginners do this and get very confused when MATLAB unexpectedly fails after too many files were opened.
It is also recommended to check the fopen status, e.g.:
fnm = 'M1--L10-22 TR SW--00000.dat'
[fid,msg] = fopen(fnm,'rt');
assert(fid>=3,msg)
...
fclose(fid);
Ameer Hamza
2018-5-6
@Stephen thanks for pointing out. This can create problems if one is not careful.
milksba
2018-5-6
Ameer Hamza
2018-5-6
What is the error?
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