[R] Removing trailing spaces

Berton Gunter gunter.berton at gene.com
Wed Dec 22 00:11:24 CET 2004


Use regular expressions: ?regexpr

e.g. if myvec is your original vector of strings

notrlblanks<-sub('[[:blank:]]+?','',myvec)


-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
 
"The business of the statistician is to catalyze the scientific learning
process."  - George E. P. Box
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of 
> Patrick Connolly
> Sent: Tuesday, December 21, 2004 2:39 PM
> To: R-help
> Subject: [R] Removing trailing spaces
> 
> Some years ago when I used S-PLUS, I seem to remember, there was a
> discussion about a simple method of removing trailing spaces from
> vector elements.  I'd be fairly sure the same would work in R, but I
> can't find any mention of anything like it in the R archives or with
> help.search().
> 
> There are ways I could do it with substring(), but I seem to remember
> there was something more elegant.  I can find the strip function in
> the clim.pact package, but that trims everything after the first space
> which is not useful in this case.
> 
> Someone please refresh my memory.
> 
> TIA
> 
> -- 
> Patrick Connolly
> HortResearch
> Mt Albert
> Auckland
> New Zealand 
> Ph: +64-9 815 4200 x 7188
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