[R] Read code from character string

Johannes Huesing johannes at huesing.name
Fri Jun 18 08:16:45 CEST 2010

Peter Langfelder <peter.langfelder at gmail.com> [Thu, Jun 17, 2010 at 09:38:45PM CEST]:
> eval(parse(text="print(9**2)"))

cheers, I overlooked the text option.

> On Thu, Jun 17, 2010 at 12:32 PM, Johannes Huesing
> <johannes at huesing.name> wrote:
> > Dear expRts,
> > I have a character string, say a <- "print(9**2)". How do I execute
> > the contents of the string, parsed as R code? Do I have to open a
> > connection and use cat(a), and parse it at the other end?

Johannes Hüsing               There is something fascinating about science. 
                              One gets such wholesale returns of conjecture 
mailto:johannes at huesing.name  from such a trifling investment of fact.                
http://derwisch.wikidot.com         (Mark Twain, "Life on the Mississippi")

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