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NAMING THE FILE TO BE SAVED

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SSG_newbiecoder
SSG_newbiecoder 2018-3-2
评论： SSG_newbiecoder 2018-3-7
Hello, I have a ECG feature extraction algorithm. I want to save the extracted feature matrix as a csv file. I have done it but each time I change the input ECG file, I'll have to change the name of the csv file. Is there a way to automatically change the output filename in accordance with the input name? This is what I've done so far
filename = 'features_100.csv';
T=table(RR_values, amp_Rpeak, QRS_dur , ST_seg);
writetable(T,filename) ;
  2 个评论
Jan
Jan 2018-3-2
And what is the input file name? Please explain, how the file names are related, otherwise it is hard to suggest code to implement this relation.
Jan
Jan 2018-3-2
编辑：Jan 2018-3-2
Where does the name come from and how do you want to modify it for the output? The question still does not contain enough information to be answered - except I dare to guess, what you want. I guessed again, see [EDITED] in my answer.

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回答（1 个）

Jan
Jan 2018-3-2
编辑：Jan 2018-3-2
Maybe you want to replace the file extension only:
InFile = 'C:\Data\features_100.ecg';
[Folder, Name] = fileparts(InFileName);
OutFile = fullfile(Folder, [Name, '.csv'])
But this is a guess only.
[EDITED] Perhaps your comment mean, that you have the number 100 or string '100' and want to insert it in the file name:
num = 100;
FileName1 = sprintf('features_%d.csv', num)
str = '100';
FileName1 = sprintf('features_%s.csv', str)
But this is still guessing.
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Jan
Jan 2018-3-7
InFile = 'D:\mtech\PROJECT\Database\100\samples_10s.csv'
Parts = strsplit(InFile, '\');
OutFile = fullfile(Folder, ['feature_', Parts{end - 1}, '.csv']);

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