[R] incomplete final line found warning

[Berend Hasselman]

Xiaobo.Gu wrote
> 
> Hi,
> 
> I saved the following as a UTF-8 encoded file named amberutil.r
> 
> as.factor.loop <- function(df, cols){
> 
> 	if (!is.null(df) && !is.null(cols) && length(cols) > 0)
> 	{
> 		for(col in cols)
>     {
> 			df[[col]] <- as.factor(df[[col]])
> 		}
> 	}
>   df
> }
> 
> And got this warning message,
> 
>> source('D:/ambertuil.r')
> Warning message:
> In readLines(file) : incomplete final line found on 'D:/ambertuil.r'
> 
> Can you help with this?
> 

A warning message such as this could not be clearer.
It means that the last line of the file does not end with a <newline>
sequence ==> the final line of the file is incomplete.

In an editor go to the end of that line and press <Enter> or <Return>
And save.

Alternatively configure your editor to always terminate the last line of a
file with  a <newline> sequence.

/Berend


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