How do i extract this text data columns by columns ? thanks

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DEADBEEFDEADBEEF encrypt
deadbeefdeadbeef encrypt
DEADBEEFDEADBEEF sign
deadbeefdeadbeef sign
0123456789ABCDEF encrypt
0123456789ABCDEF sign
,1.3/a@4$pR6^-?" sign
,1.3/a@4$pR6^-?" encrypt

What code should i use to receive the data in columns?

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Azzi Abdelmalek 2012-11-2

what do you mean?

Stephen toh 2012-11-3

much thanks. i want to use the data above in columns as a input argument to my function. for eg, the first column contain the 16 ascii characters while the second column just read either 'encrpt' or 'sign'

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Answer 1

Mats 2012-11-2

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I guess you mean something like this:

fileID = fopen('data.txt');

C = textscan(fileID, '%s %s','delimiter', ' ');

fclose(fileID);

column1 = C{1}, column2 = C{2}

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Stephen toh 2012-11-3

Thanks for the help, just another qn. If i were to read the data in each columm separately, is there any way i can verify whether each row in the 1st column is a 16 ASCII character and the second column is either 'encrypt' or 'sign'?

i.e : After extracting the data form the file,

i want to verify rowwise 'DEADBEEFDEADBEEF' is a ASCII character then correspondingly verify ' encrypt' and not 'sign'

this process will loop until theres no more data, meaning we have no idea how much data we are given in the text file. Yup greatly appreciated if u give me some advice.

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