mydata = readtable('mydata.csv')
mydata = readtable('mydata.csv','Format','%s%s%u%f%f%s')
% check column titles
mydata.Properties.VariableNames
{'SampleID'} {'Treatment'} {'Time'}
% get second column of 'Treatment'
x = mydata.Treatment % using column name
id = find(ismember(mydata.Properties.VariableNames,'Treatment'))
2
x = mydata(:,id); % using column index id=2
x = mydata(:,2);
% convert table to cell array
table2cell(mydata)
mytext = fileread('mytext.txt');
split lines by newline character \n
textlines = strsplit(mytext,'\n')
textlines{1}
'text of first line'
remove empty textlines ( → remove empty fields in cell array )
textlines( cellfun(@isempty, textlines) ) = []
remove newline characters \n
check for ending newline character \n
strcmp(mytext(end),sprintf('\n'))
remove ending character
mytext(end)=[]
remove all newline characters
strrep(mytext,sprintf('\n'),'')
fid = fopen('myfile.txt', 'r');
while ~feof(fid) % while not end-of-file
fileline = fgets(fid); % read line by line
... % do something with each file line
end
fclose(fid);
% example: search string "www" in each line of a text file
fid = fopen('myfile.txt', 'r');
while ~feof(fid) % while not end-of-file
fileline = fgets(fid); % read line by line
fileline = strrep(fileline,sprintf('\n'),''); % remove newline character
if ~isempty(strfind(fileline,'www')) % search string "www" in line
disp('Found string "www" in line')
disp(fileline)
end
end
fclose(fid);