how to join 3 strings into single string?

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chocho 2017-4-2

评论： chocho 2017-4-2

I have a cell array [1*3 cell] Example Tcgh A6 1214 and i want to join them by put '-' in between and get Tcgh-A6-1214

i tried strcat and strjoin but doesn't work with me! Thanks

Stephen23 2017-4-2

编辑：Stephen23 2017-4-2

No ugly and inefficient loop is required:

>> C = {'Tcgh','A6','1214'};
>> out = sprintf('-%s',C{:});
>> out(2:end)
ans =
Tcgh-A6-1214

chocho 2017-4-2

Many Thanks @Stephen Cobeldick but i'm trying to avoid cellfun and prefer to use for loop for future use.

chocho 2017-4-2

@Stephen Cobeldick yes, you helped me a lot Thank you sooooo much

res = strCell{1};

for k=2:length(strCell),

res=[res '-' strCell{k}];

end;

disp(res);

Stephen23 2017-4-2

This expands the output res on each iteration, which is not efficient:

See my answer for a simpler and more efficient solution that does not use a loop.

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