[R] source() does not include added code

Duncan Murdoch murdoch.duncan at gmail.com
Wed Aug 31 17:11:27 CEST 2016

On 31/08/2016 11:05 AM, Doug Edmunds wrote:
> I am trying to understand why "source" does not process
> all the code in this R file.
> 1. I copied maCross.R from the quantstrat/demo directory
> into my project area.
> QuantStrat is available at
>    https://r-forge.r-project.org/R/?group_id=316
> install.packages("quantstrat", repos="http://R-Forge.R-project.org")
> 2. I added this line at the end of the R file:
>      t(tradeStats("macross")
> 3. When I enter:
>       source('maCross.R')
> at the prompt, it fails to process the added line of code.
> Why not?

You're missing a closing parenthesis.  I'd have hoped for an error 
message about that, and I get one with a similar example. Not sure why 
you didn't.

 > source('test.R')
Error in source("test.R") : test.R:4:0: unexpected end of input
2: message("bad"

Duncan Murdoch

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