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function writeallvars(file,option)
% WRITEALLVARS(file,option) writes all suitable variables in the workspace to the file
% specified in file using writevars options 'option'.
% The variables are suitable when their size is equal to [1,1], [1,2] or [2,1] an when
% they are of the 'double' class.
%
% See also WRITEVARS, FORMATVARS, WRITEMAT
global var_names
global var_names_l
global temp
evalin('caller',[ 'global var_names;',...
'var_names = who;',...
'global var_names_l;',...
'var_names_l=length(var_names);',...
'global temp;',...
]);
if var_names_l == 0
warning('there were zero variables in workspace, nothing was done');
else
disp([num2str(var_names_l-1) ' variables were found...']);
writestring = [];
good = 0;
bad = 0;
bad_names={};
for i = 1:var_names_l
if ~strcmp(var_names{i},'var_names')
evalin('caller', ['temp = ' char(var_names{i}) ';']);
if numel(temp)>=1 && numel(temp)<=2 && strcmp(class(temp),'double')
writestring = [writestring ',' char(var_names{i})];
good = good + 1;
else
bad = bad +1;
bad_names{end+1} = var_names{i};
end
end
end
if good > 0
disp([num2str(good) ' of which are writable, ' num2str(bad) ' of which are not.']);
fprintf('\n');
try
evalin('caller', [ 'writevars(''' file ''',''' option '''' writestring ');']);
catch
evalin('caller',[ 'clear var_names var_names_l temp' ]);
error('there was an error in writevars, probably a bad option or filename');
end
if strcmp(option,'as')
disp(['silent appending variables to ''' file '''']);
elseif strcmp(option,'ws')
disp(['silent writing variables to ''' file '''']);
end
switch bad
case 0
case 1
fprintf('the unwritten variable is:\n')
fprintf(['\t' char(bad_names{1}) '\n'])
otherwise
if bad < 5
fprintf('the unwritten variables are:\n')
for i = 1:length(bad_names)
fprintf(['\t' char(bad_names{i}) '\n'])
end
end
end
else
warning([ 'none of the found variables were suitable for writing,'...
'make sure there are\n some variables that are 1x1 or 1x2']);
end
evalin('caller',[ 'clear var_names var_names_l temp' ]);
end
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