Rename files after a certain string in the file itself appears

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Dear MatLab users,
I have a bunch of files in a folder I need to rename. Basically, I want to delete the first 5 or 6 characters of the filename, those before a certain string. However, I do not know when this occurs, so I need to code it using something like strfind, but haven't managed to do it. Below is the code I have so far:
files_csv = dir('*.csv');
for i = 1 : length(files_csv)
baseFileName = files_csv(i).name;
%newFileName = baseFileName(6:end);
copyfile( baseFileName , newFileName )
end
Instead on newFileName = baseFileName(6:end), which only deletes the first 6 characters, I need to retain the characters after the string "PGA" appears.
Thanks

Accepted Answer

Jan
Jan on 27 Apr 2022
An explicit example would be useful: old name and new name.
Maybe:
files_csv = dir('*.csv');
for i = 1 : length(files_csv)
baseFileName = files_csv(i).name;
newFileName = extractAfter(baseFileName, "PGA");
copyfile( baseFileName , newFileName )
end
  1 Comment
Gianluca Regina
Gianluca Regina on 27 Apr 2022
Oh, sorry about that. Nevertheless, your adjustment works perfectly, thank you very much! For future reference, I attach the screenshot of the result of your code.

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