[R] Read code from character string

Greg Snow Greg.Snow at imail.org
Fri Jun 18 16:57:03 CEST 2010


You should also look at fortune(106) and think about possible other solutions to your overall objective.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Johannes Huesing
> Sent: Friday, June 18, 2010 12:17 AM
> To: Peter Langfelder
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] Read code from character string
> 
> 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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