In R-studio, you can also select whatever you want to comment out, and press CTRL-SHIFT-C to comment the selection in one go. To uncomment it all in one go again, you can select it again and press CTRL-SHIFT-C again.

Gjalt-Jorn

On 2014-09-09 5:51, Pascal Oettli wrote:
A workaround is to escape the evaluation of the lines. For example:

tt <- 0
while(tt > 0){
   cat('rr\n')
}

Regards,
Pascal

On Tue, Sep 9, 2014 at 11:49 AM, PO SU <rhelpmaill...@163.com> wrote:
Dear expeRts,
    I find it's terrible  when  i want to comment multi paragraph (e.g.  a 30 
lines function) , i have to comment each line with #,  is there any good way to 
do that ?
    I investgate it, but found no easy way, may you help me ?





--

PO SU
mail: desolato...@163.com
Majored in Statistics from SJTU
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