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using sed to find and replace multiple numbers

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linux-howto

http://www.unix.com – I have looked around and there are several examples of how to use sed, but I don't think any of them help me very much with what I am trying to do. I have a text file like this.... Code:     1! SRCNAM = 00001  !     1! X =  50.0000,  0.0000, 25.0000,0.2279E-07,0.0000E+00,0.3697E-07,0.0000E+00,0.0000E+00,0.3212E-08,0.4051E-10  !  !END!   10! SRCNAM = 00010  !   10! X =  50.0000,  0.0000, 25.0000,0.2296E-07,0.0000E+00,0.3757E-07,0.0000E+00,0.0000E+00,0.3254E-08,0.4123E-10  !  !END!   100! SRCNAM = 00100 (HowTos)