how can dertermination which line of string on text file

Hi I have some text file like that (named data.txt)

2006  1 6 1150  4.6 L
2006-01-06-1149-59  
2006  1 6 1149
.... 
STAT SP IPHASW D HRMM SECON
2006 1 6 1149 *bold*

with line "STAT SP IPHASW D HRMM SECON" will appear on other line on other file (for eg: this file on line 20, other file on line 25). Q: how can i catch what number of line have "string" STAT SP IPHASW D HRMM SECON Thanks in advance and sorry for my bad english

Answer 1

[KSSV]

fid = fopen('txt file') ;
S = textscan(fid,'%s','delimiter','\n') ;
fclose(fid) ;
S = S{1} ;
idx = strfind(S, 'STAT SP IPHASW D HRMM SECON');
idx = find(not(cellfun('isempty', idx)))

[Long Hà Vinh]

Thanks but this code can not file the numer of line which string appear.

[KSSV]

idx is the line number where your string STAT SP IPHASW D HRMM SECON is present.

[Long Hà Vinh]

Ya. it work. My bad. Thank you very much!