[R] How to output text to sink from data frame line by line without column names

[Nevil Amos]

OK I see how to remove the line numbers[1] etc by using cat instead of 
print, but cannot work out how to remove the column names from the data 
frame output

On 13/06/2010 4:21 PM, Nevil Amos wrote:
> I want to output a text file assembeld from various soruces within r ( 
> actually as a genepop file)
>
> the output should be formatted     line 1 "text comment"
>                                                    line 2:n  selected 
> column names from data frame
>                                                     line n+1on lines 
> of selected columns  from data frame one row at a time
>
>
> I have the following code, but cannot see how to remove the line 
> numbers and omit column names form the line by line data frame output
>
> col1<-c(2,45,67)
> col2<-c("a","B","C")
> col3<-c(234,44,566)
> mydf<-as.data.frame(cbind(col1,col2,col3))
> n<-ncol(mydf)
> nr<-nrow(mydf)
> sink("test.txt")
>
> print("I will be including text of various sorts in this file so 
> cannot use print table or similar command")
> for (i in 1:n){
> print(colnames(mydf[i]),quote=F) }
> for (j in 1:nr){
> print(mydf[j,c(2:n)],quote=F,row.names=F)}
> sink()
>
> The test.txt contains:
>
> [1] "I will be including text of various sorts in this file so cannot 
> use print table or similar command"
> [1] col1
> [1] col2
> [1] col3
>  col2 col3
>     a  234
>  col2 col3
>     B   44
>  col2 col3
>     C  566
>
> what I would like in test.txt  is:
>
> "I will be including text of various sorts in this file so cannot use 
> print table or similar command"
> col1
> col2
> col3
>  a  234
>  B   44
>  C  566
>
> Many thanks
>
> Nevil Amos