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function data = data_parse(filename, dime)
% e.g. data_parse('pot8.dx', [65 65 65])
disp(['reading ' filename '...'])
file_id = fopen(filename, 'rt');
flag=[];
while isempty(flag)
line=fgetl(file_id);
flag=strfind(line, 'data follows');
end
data_column=99999*zeros(1,prod(dime)); % 99999 is a flag value. All values should be replaced.
index=1; % next empty memory location in data_column
for counter=1:ceil(prod(dime)/3)
line=fgetl(file_id);
[A, count, errmsg, nextindex]=sscanf(line, '%e');
data_column(index:(index+length(A)-1))=A;
index=index+length(A);
end
fclose(file_id);
%% reshape data column into a 3D array
data=permute(reshape(data_column, dime(3), dime(2), dime(1)), [3 2 1]);
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