# [CentOS] Conversion of text in shell

Ross S. W. Walker rwalker at medallion.com
Fri Oct 12 23:26:34 UTC 2007

Ross S. W. Walker wrote:
>
> roland hellström wrote:
> >
> > OK! I finally figured out the solution for all you people out
> > the eager to hear it!!!
> > it was infact very very similar to the last line I sent...
> this is it
> > sed 's/$$[^\.]*$$.$$[^,]*$$,$$[^\.]*$$.$$[^e]*$$e$$.*$$/\1,\2
> > \& $\3,\4 \\cdot 10^{\5}$\\\\/'
> >
> > omg I feel so h4xx0r figuring that out myself lol
> > Thx for the help all :)
>
> I am surprised you got it all in 1 regex, I was aiming more for:
>
> sed 's/,/ & /;s/\./,/;s/$$.*$$e$$.*$$/\1 \\cdot 10^{\2}/'

whoops, I made a mistake:

sed 's/,/ \& /;s/\./,/g;s/$$.*$$e$$.*$$/\1 \\cdot 10^{\2}\\$\\\\/'

You need the 'g' option in the second substitute to perform a
global, and of course the proper cdot expression.

-Ross

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