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read data formatted like ip address from a text file

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I want to read a file formatted like this :
into a matrix like this: 0
Elias Gule
Elias Gule on 28 Mar 2018
do you want to the data in string format or do you want it converted to double? This is very important in that it to a degree dictates the type of storage used for the data.
Hessa saad
Hessa saad on 28 Mar 2018
no, I want the whole IP to be stored in the matrix, and yes it will be a string array since I can not store the IP as double.

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Accepted Answer

Elias Gule
Elias Gule on 28 Mar 2018
Assuming that you want to store the data as strings, and that the delimiters are 'whitespace' and ':'.
filepath = 'the_path_to_your_file.txt';
str = fileread(filepath);
cstr= splitlines(str);
cstr = cstr(~cellfun('isempty',cstr)); % Remove all empty line data
ips = regexp(cstr,'(\d+\.?)+','match');
This should give you a cell array of cell arrays containing the defined ip's.

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