This m-file groups the data to 9-file sets depending on time difference between 2 observations.

If the time difference is less than 1000 sec, the 2 observation will be sent to the same 9-file sets.

 

 

 

function mktab

mkdir new4
!rm *.out
!rename b03 03 b03*
!cp  03* new4
cd new4


!ls 03* > name
name =textread('name','%f'); --------------------------------> file name = UT
n=max(size(name));
!~/cloud/new/mktab1

k=1;

for i=2:n
    if seconds(name(i))-seconds(name(i-1))<1000
       
       !~/cloud/new/mktab1
       k=k+1;
    else
       if k==9
       !~/cloud/new/mktab2
       else
       !~/cloud/new/mktab3
       end
       !~/cloud/new/mktab1
       k=1;
    end
end

 if k==9
       !~/cloud/new/mktab2
       else
       !~/cloud/new/mktab3
 end
 !ls *st* > dir

 n
 
for iii=1:n
ss(iii)=seconds(name(iii));
end

for jjj=2:n
timediff(jjj)=ss(jjj)-ss(jjj-1);
end

timediff
plot(timediff)
set(gca,'YLim',[0 3000]);