Re: text substitution in a colum

"Ruud H.G. van Tol" <[email protected]>
Newsgroups gmane.editors.sed.user
Message-ID <[email protected]> 
On 2012-11-26 15:05, MOKRANI Rachid wrote:

> Title1    Title2      Title3       Title4
> AA          B            66             D
> BB          DS          7              TT
> VS          FDSE     53             TGF
> BG          F            5               GF
>
> [...] Add the
> character MY_ before all numbers in the colum number 3 and preserve the
> title "Title3".

perl -pe 's/(.*?\t.*?\t)/$1MY_/ if $.>1'

-- 
Ruud
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