Try this:

gsub("^M{1}", "MOLE", names(data))

On Thu, Jun 18, 2009 at 8:24 PM, Mark Na <mtb954@gmail.com> wrote:

> Dear R-helpers,
>
> I would like to adapt the following code
>
> > names(data)<-sub("M","MOLE",names(data))
>
> which changes any occurrence of "M" (in my variable names) to "MOLE"
>
> such that it ONLY operates on the first character of each variable
> name, i.e. M will only be changed to MOLE if it's the first character
> of a variable.
>
> I would appreciate any help you might provide. Thanks!
>
> Mark Na
>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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