[BioC] How to sort a matrix based on its column names andpreserving the identical column names

[J.Oosting at lumc.nl]

mat<-mat[,order(colnames(mat))]

Jan

> How to sort a matrix based on its column names and preserving the
> identical column names.
> 
> when I use mat [, sort(colnames(mat))], sort changes all column names
to
> unique ones. for ex,  if the name of 2 columns is col, the 2nd will be
> changed to col.1 whereas I want to keep the col name for the two
columns
> 
> col    col -> col   col.1