extracting the last three characters from cell array

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sermet OGUTCU
sermet OGUTCU 2021-7-17
回答： Rik 2021-7-17
[FileName,pathname,d] = uigetfile('*.SP3','Choose the products','MultiSelect','on');
FileName =
1×2 cell array
{'COD0MGXFIN_20210870000_01D_05M_ORB.SP3'} {'COD0MGXFIN_20210880000_01D_05M_ORB.SP3'}
When FileName consists of single file, I extract the last three characters of FileName as follows:
FileName(end-2:end)
When FileName consists of multiple files (as shown above), how can I extract the last three characters of FileName?

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采纳的回答

Simon Chan
Simon Chan 2021-7-17
Use cellfun to retrieve the last three charaters
FileNameinCell=cellfun(@(x) x(end-2:end), FileName, 'UniformOutput', false)
FileNameinCell =
{'SP3'} {'SP3'}
FileNameinCell{1} , FileNameinCell{2}, etc =
'SP3'

更多回答（1 个）

Rik
Rik 2021-7-17
Ran in:
You probably want to extract the extension, instead of hard-coding the last three characters:
data={'COD0MGXFIN_20210870000_01D_05M_ORB.SP3','COD0MGXFIN_20210880000_01D_05M_ORB.SP3'};
[~,~,ext]=cellfun(@fileparts,data,'UniformOutput',false);
YouWant=strrep(ext,'.','')
YouWant = 1×2 cell array
{'SP3'} {'SP3'}

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