[R] evaluate a string

Prof Brian D Ripley ripley at stats.ox.ac.uk
Wed Jun 26 11:15:35 CEST 2002


On Wed, 26 Jun 2002, Joerg Maeder wrote:

> i want to execute different commands that are saved in strings (eg: "d
> <- 4+7" and some more complicated things). How can i execute/evaluate
> them. I know i could save them to a temp-file a read this with source.
> But is there a way without a file in the middle?
> I know also the 'assign' command but I think it would only the simply
> cases.

eval(parse(text=string))


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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