[ncl-talk] how to get different file name in mv command?

[杨玉华]

Hi,
I'd want to get different file name such (as fx0.dat, fx12.dat) for the following mv command, but I just get the same file named such as filename.dat or $filename.dat,  what should I need do?
 do it=0,72,6
  filename= "fx" + it + ".dat"
    print("filename=" + filename)
  system("mv fengxian.dat  'filename'") or system("mv fengxian.dat  '$filename'")
   end do     ; END OF times
Thanks in advance!
Yuhua

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