[R] sort file names in numerical order

John Kane jrkrideau at yahoo.ca
Sat Jul 17 14:04:51 CEST 2010


library(gtools)
?mixedorder 


--- On Sat, 7/17/10, Sebastian Gibb <lists at sebastiangibb.de> wrote:

> From: Sebastian Gibb <lists at sebastiangibb.de>
> Subject: [R] sort file names in numerical order
> To: r-help at r-project.org
> Received: Saturday, July 17, 2010, 4:31 AM
> Hello,
> 
> I get some file names by list.files().
> These names are in alphabetical order.
> I want to change it to logical numeric order.
> Example:
> > fileNames <- c("A10", "A1", "A2", "B1", "B2",
> "B10")
> > sort(fileNames)
> [1] "A1"  "A10" "A2"  "B1"  "B10" "B2"
> I want to have:
> "A1"  "A2" "A10" "B1" "B2" "B10"
> 
> Is this possible?
> 
> Kind regards,
> 
> Sebastian
> 
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