[R] Noob question re: writing while loops on one line

[John Kane]

Hi Sun, 
Can you check the code in the one line command in RStudio?

I tied it and got the expected error.  Or to put it another way, it should not have run for you :)

The semi-colon is funtioning as a line return 

John Kane
Kingston ON Canada


> -----Original Message-----
> From: phaedrusv at gmail.com
> Sent: Sun, 15 Feb 2015 10:55:28 +0000
> To: drjimlemon at gmail.com
> Subject: Re: [R] Noob question re: writing while loops on one line
> 
> Brilliant Jim - that does the trick!!
> 
> I guess then that the semi-colon rule works for any program or function
> that is being written on one line?
> 
> Any reason why when writing this out in the RStudio source editor no
> semi-colon is required, but it is when written in the interactive
> console?
> 
> Thanks again
> 
> Sun
> 
> 
> On 15/02/15 10:41, Jim Lemon wrote:
>> Hi Sun,
>> Try including a semicolon.
>> 
>> while(count < 10) { print(count); count<-count+1 }
>> 
>> Jim
>> 
>> 
>> On Sun, Feb 15, 2015 at 9:20 PM, Sun Shine <phaedrusv at gmail.com> wrote:
>>> Hi list
>>> 
>>> I'm working through some exercises and did a while loop which raised an
>>> issue for me:
>>> 
>>> I can write out the while loop so:
>>> 
>>>> count <- 0
>>> while(count < 10) {
>>>      print(count)
>>>      count <- count + 1
>>>     }
>>> 
>>> And this works fine.
>>> 
>>> Trying to do the same thing all on one line however gives this error:
>>> 
>>> "Error: unexpected symbol in "while(count < 10) { print(count) count""
>>> 
>>> My question:
>>> 
>>> How can one write out a while loop all in one line? Is there a symbol
>>> or
>>> something that I should be including?
>>> 
>>> Thanks for any suggestions.
>>> 
>>> Sun
>>> 
>>> ______________________________________________
>>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

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