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how to change a line in text file?

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Eltigani hamad
Eltigani hamad 2014-6-5
评论： Cedric 2014-6-5
Hi i have the following text file:
  1. *
  2. * STEP: Step-1
  3. *
  4. * *Step, name=Step-1
  5. * *Static
  6. * 1., 1., 1e-05, 1.
  7. *
  8. * BOUNDARY CONDITIONS
  9. *
  10. * Name: BC-1 Type: Symmetry/Antisymmetry/Encastre
  11. * *Boundary
  12. * Set-1, ENCASTRE
  13. *
  14. * LOADS
  15. *
  16. * Name: Load-1 Type: Pressure
  17. * *Dsload
  18. * Surf-1, P, 20
i would like to change no (20) on last line with matlab. how i can do that
  1 个评论
Cedric
Cedric 2014-6-5
Is it always the last line? Is the text before this 20 always 'Surf-1, P,'?

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dpb
dpb 2014-6-5

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