[R] Simple question on eval

[Lamke]

Hi group,

I did some searches about this very simple question.  Hope someone can help
me out.

If I have the following:

a <- "x <- 2^2"
a
[1] "x <- 2^2"

How do I evaluate the expression that gets me an answer of 4?  I tried the
following:

> eval(a)
[1] "x <- 2^2"
> get(a)
Error in get(a) : object 'x <- 2^2' not found (apparently it's not right!!)

I have one long string of commands separated by semi-colon and hope to sort
it out.  Thank you so much!!!

Kel
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