do loop

Hi,

I am having trouble understanding the increment of do-loop variable.
Here is my code:
begin
;*******************************************
; open file and read in data
;*******************************************
indir = "/data1/mganesha/proposal/st4/2006/"
all_files=systemfunc("ls "+indir+"ST4.2006????12.24h.grb")
P = addfiles(all_files,"r")
P_tmp = new((/93,199,120/),float)
 do i = 0,92
   do j=0,198
      do k=0,119
        P_tmp(i,j,k) = P[i]->A_PCP_GDS5_SFC_acc24h(j+452,k+595)
        k=k+1
      end do
      j=j+1
   end do
   i=i+1
 end do

print(i)
print(j)
print(k)
end

The values of i,j, k are
i = 94
j = 200
k = 120

Could you please tell me why i and j are increased by 2, while k is
increased by 1?

Nisha

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Received on Fri Jan 14 18:35:15 2011