How do I delete empty cells in rows of a cell array?

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Hi,
I have a cell array of strings and empty cells. I would like to rearrange this so the empty cells are on the end of each row. For example:
[a] [b] [ ] [ ] [c]
[d] [ ] [e] [ ] [ ]
should become:
[a] [b] [c] [ ] [ ]
[d] [e] [ ] [ ] [ ]
The reason I want to do this is to ultimately end up with a cell matrix of strings in the following form:
[abc]
[de]
How would I accomplish these things, or is there a more efficient way to end up with the matrix of strings?

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 11 Jun 2013
Edited: Azzi Abdelmalek on 11 Jun 2013
A={['a'] ['b'] [ ] [ ] ['c']
['d'] [ ] ['e'] [ ] [ ]}
idx=not(cellfun(@isempty,A))
out=arrayfun(@(x) cell2mat(A(x,idx(x,:))),[1:size(A,1)]','un',0)

More Answers (1)

Matt J
Matt J on 11 Jun 2013
Edited: Matt J on 11 Jun 2013
You don't need to reorder the empty cells if all you intend to do is concatenate across rows:
>> C={'a',[],'b';[], 'e','d'}
C =
'a' [] 'b'
[] 'e' 'd'
>> Ccat=cell(size(C,1),1); for ii=1:size(C,1); Ccat{ii}=[C{ii,:}] ;end,
>> Ccat
Ccat =
'ab'
'ed'

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