R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> 
> RC.capture <- function (expression, collapse = NULL) {
+     resultConn <- textConnection('RC.resultText', open = 'w', local=TRUE)
+     sink(resultConn)
+     on.exit(function() {
+         sink()
+         close(resultConn)
+     })
+     expression
+     on.exit(NULL)
+     sink()
+     close(resultConn)
+     return(paste(c(RC.resultText, ''), collapse = collapse, sep = ''))
+ }
> RC.texteval <- function (sourceText, collapse = NULL, echo = TRUE) {
+     sourceConn <- textConnection(sourceText, open = 'r')
+     on.exit(close(sourceConn))
+     result <- RC.capture(source(file = sourceConn, local = FALSE, echo = echo, print.eval = TRUE), collapse = collapse)
+     on.exit(NULL)
+     close(sourceConn)
+     res <- ''
+     for(i in 1:length(result)) {
+       if (result[i]!='') res <- paste(res,result[i],'
+ ',sep='')
+     }
+     return(res)
+ }
> x <- c(552.919.951.936.734
Error: unexpected numeric constant in "x <- c(552.919.951"
Execution halted