ocean script: ocnPrint

Hello All

I am trying to write the entire wave (ie, time vs values) into a text file. The problem is that I am overwriting the file with the latest values of waves. What I need to do is to append the information in one file, as I execute my ocean script.

Here is my piece of code:

(some code here)

;run analysis
analysis( 'tran ?stop "500n" ?errpreset "moderate")

;save all the waveforms
save( 'all )

;run the simulation
run()

;select the results now
selectResult( 'tran )

;print the data to a text file
m0=vm("/mult_output<0>")
m1=vm("/mult_output<1>")
m2=vm("/mult_output<2>")
m3=vm("/mult_output<3>")
m4=vm("/mult_output<4>")
m5=vm("/mult_output<5>")
m6=vm("/mult_output<6>")
m7=vm("/mult_output<7>")
m8=vm("/mult_output<8>")
m9=vm("/mult_output<9>")
m10=vm("/mult_output<10>")
m11=vm("/mult_output<11>")
m12=vm("/mult_output<12>")
m13=vm("/mult_output<13>")
m14=vm("/mult_output<14>")
m15=vm("/mult_output<15>")

;*********First Print**************
ocnPrint( ?output "results.txt" ?numberNotation 'scientific ?numSpaces 1 m0 m1 m2 m3 m4 m5 m6 m7 m8 m9 m10 m11 m12 m13 m14 m15 )
;ocnPrint( output_file ?numberNotation 'scientific ?numSpaces 1 m0 m1 m2 m3 m4 m5 m6 m7 m8 m9 m10 m11 m12 m13 m14 m15 )
drain( output_file )
c0=vm("/cmp_out<0>")
c1=vm("/cmp_out<1>")
c2=vm("/cmp_out<2>")
c3=vm("/cmp_out<3>")
c4=vm("/cmp_out<4>")
c5=vm("/cmp_out<5>")
c6=vm("/cmp_out<6>")
c7=vm("/cmp_out<7>")
c8=vm("/cmp_out<8>")
c9=vm("/cmp_out<9>")
c10=vm("/cmp_out<10>")
c11=vm("/cmp_out<11>")
c12=vm("/cmp_out<12>")
c13=vm("/cmp_out<13>")
c14=vm("/cmp_out<14>")
c15=vm("/cmp_out<15>")
;***************Second Print**********************
ocnPrint( ?output "results.txt" ?numberNotation 'scientific ?numSpaces 1 c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 )
;ocnPrint( output_file ?numberNotation 'scientific ?numSpaces 1 c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 )
close( output_file )

So, what happens here is that the information written by the second print statement overwrites the first one. I also tried the p_port method (the lines have been commented), as it outputs to the screen.

I tried fprintf also, but, it always write only the last of the values in the signal vector. 

Can someone please suggest something?

Thanks a lot!

Sirrius