[R] Printing a single "\" character

Firas Swidan firas at cs.technion.ac.il
Tue Apr 19 18:14:05 CEST 2005


Hi Thomas,
thanks for the help, it does work.
Regards,
Firas.

On Tue, 19 Apr 2005, Thomas Lumley wrote:

> On Tue, 19 Apr 2005, Firas Swidan wrote:
>
> > Hi,
> > I have a small R question: how to print a single "\" character? I have the
> > following results:
> >> print("\") does not work
> >
> >> print("\\")
> > [1] "\\"
>
> Use cat("\\").
>
> > I need to make the following substitution as well, but it does not work
> > either:
> >> sub("_","\_","g_g")
> > [1] "g_g"
>
> Use
>  sub("_","\\\\_","g_g")
>
> If you print() the result it will look as though it has a double \, but
> that's an optical illusion. cat() will show it correctly with a single \
> (and nchar() will confirm that it has 4 characters).
>
>  	-thomas
>




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