How to get row index which have my text

Hi Helo

How are you mekala

what are you doing

where are you going mekala

I want to get the row index if row contains "mekala

I use below code:

fid=fopen("test.txt")

data=fgetl(fid)

idx=strfind(data,'mekala').

idx is showing empty.

Answer 1

[David Hill]

I assume you loaded your text into a cell.

a={'Hi Helo';'How are you mekala';'what are you doing';'where are you going mekala'};
b=strfind(a,'mekala');

[Mekala balaji]

first of all, I am unable to read whole content of the file.