[R] read.table: skipping trailing delimiters

Gabor Grothendieck ggrothendieck at gmail.com
Tue May 4 18:34:15 CEST 2010

Re-read the colClasses section of ?read.table.  Use "NULL", not NULL.

On Tue, May 4, 2010 at 12:11 PM, Marshall Feldman <marsh at uri.edu> wrote:
> Hi,
> I am trying to read a tab-delimited file that has trailing tab delimiters.
> It's a simple file with two legitimate fields. I'm using the first as
> row.names, and the second should be the only column in the resulting data
> frame.
> Initially, R was filling the last column with NA's, but I was able to stop
> that by setting colClasses=c("character","character",NULL). Still, the data
> frame is coming in with an extra column, only now its values are set to "".
> Is there any way to skip the trailing delimited field entirely? I've
> searched for an answer without luck.
>    Thanks.
>    Marsh Feldman
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