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Using movefile function in existing and unexisting files

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The following use of the "movefile" function works only if the requested files exist. But it yields error messages and stops the iteration when the files do not exist:
DistPath_MT = SourceFolder;
DistFolder_MT = fullfile(DistPath_MT,'MT');
if ~exist(DistFolder_MT )
mkdir(DistFolder_MT )
end
DistPath_T1w = SourceFolder;
DistFolder_T1w = fullfile(DistPath_T1w,'T1w');
if ~exist(DistFolder_T1w)
mkdir(DistFolder_T1w)
end
DistPath_PD = SourceFolder;
DistFolder_PD = fullfile(DistPath_T1w,'PD');
if ~exist(DistFolder_PD)
mkdir(DistFolder_PD)
end
movefile(fullfile(SourceFolder,'*_MT*'),DistFolder_MT);
movefile(fullfile(SourceFolder,'*_T1w*'),DistFolder_T1w);
movefile(fullfile(SourceFolder,'*_PD*'),DistFolder_PD );
How can I identify the target files in the SourceFolder , and move them to DistFolder when some of them exist while others don't? I unsuccesfully tried out something like:
if ~exist(DistFolder_MT)
movefile(fullfile(SourceFolder,'*_MT*'),DistFolder_MT)
end
%...the same for '*_T1w*' and '*_PD*'
Many thanks in advance
  1 Kommentar
Stephen23
Stephen23 am 7 Dez. 2022
Bearbeitet: Stephen23 am 7 Dez. 2022
Note that the MOVEFILE documentation states "If source is a folder or is capable of specifying multiple files and destination does not exist, then movefile creates destination", so MKDIR is probably superfluous.

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Akzeptierte Antwort

Stephen23
Stephen23 am 7 Dez. 2022
Bearbeitet: Stephen23 am 7 Dez. 2022
Capture the error as an output, and the error will not be thrown when you call the function:
[X,Y,Z] = movefile('doesnotexist*.txt','subdir')
X = logical
0
Y = 'No matching files named '/users/mss.system.Chrpre/doesnotexist*.txt' were found.'
Z = 'MATLAB:MOVEFILE:FileNotFound'
  3 Kommentare
Stephen23
Stephen23 am 8 Dez. 2022
Bearbeitet: Stephen23 am 8 Dez. 2022
" However, I still do not manage to integrate the mentioned line to avoid interruption in the iteration when the "movefile" function does not find one of the requested files."
Because your code still does not return any output arguments from MOVEFILE.
Here are the modified lines of code:
[X,Y,Z] = movefile(fullfile(SourceFolder,'*_MT*'),fullfile(SourceFolder,[newParticipant,'_MT']));
[X,Y,Z] = movefile(fullfile(SourceFolder,'*_T1w*'),fullfile(SourceFolder,[newParticipant,'_T1w']));
[X,Y,Z] = movefile(fullfile(SourceFolder,'*_PD*'),fullfile(SourceFolder,[newParticipant,'_PD']));
% ^^^^^^^^^^ this is exactly what I showed in my answer.
julian gaviria
julian gaviria am 8 Dez. 2022
Oops....
A huge thanks @Stephen23
Best regards,

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