[R] Comments inside a line? Not possible?

Duncan Murdoch murdoch.duncan at gmail.com
Fri Sep 9 19:52:27 CEST 2011

On 09/09/2011 12:21 PM, Dimitri Liakhovitski wrote:
> Hello!
> In the guidelines I've read:
> "Comment your code. Entire commented lines should begin with # and one space.
> Short comments can be placed after code preceded by two spaces, #, and
> then one space. "

Which guidelines are those?  They seem reasonable, but they put more 
restrictions on comments than the parser enforces.  In particular, the 
spaces are irrelevant.  If you have a # symbol in the line, not in a 
quoted string, it starts a comment that runs to the end of the line.

Duncan Murdoch
> Just wondering if there is no way to comment something out "in the
> middle" of a line? Example:
> Original code:
> mystrings<-c("a","b","c")
> Desired commented code:
> mystrings<-c("a", # want "b" to be commented out, but not "c" # "c")
> So that it is read as: mystrings<-c("a","c")
> Not possible?
> Thanks!

More information about the R-help mailing list