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adding letters to string

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Max
Max 2015-11-8
回答： per isakson 2015-11-8
Say I start of with an empty string x=''
And I input something random say 'd' I would like x='d' then If I input a second thing say 'e' I would like x to then display x='de' and so on
Thanks

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回答（2 个）

Walter Roberson
Walter Roberson 2015-11-8
x = 'd'
x(end+1) = 'e'
per isakson
per isakson 2015-11-8
Assuming "input" means that a user inputs letters interactively
str = '';
buf = {''};
while not( isempty( buf ) )
str = cat( 2, str, buf{1} );
buf = inputdlg( 'input one letter: ' );
end
str
and quit the loop with the [Cancel] button

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