Hi,

On Mon, Sep 12, 2011 at 1:51 AM, Noah Silverman <noahsilver...@ucla.edu> wrote:
> Hi,
>
> I want to store the output of my program to a file.  However, With subsequent 
> runs of  my code, I'd like to append to the same log file.
>
> Currently, I'm using:
>
> outfile <- file("log.txt", open="w")
> cat(results, file=outfile)
>
> This works, but will overwrite the log file each time.
>
> Is there a way to open a file and have R append to the end?

Indeed there is.

Reread ?cat again ... in particular, look at the arguments it takes a
bit more closely.

-steve

-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact

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