On Thu, 24 Jun 2004, Shin, Daehyok wrote: > Rather than using system() to execute a shell command, > is there a way to emulate the system shell itself in R? > For instance, if the function is shell, > > > getwd() > [1] "/home/a/b" > > shell() # From R to system shell > $cd .. # cd command in system shell > $CTRL+D # Return to R > > getwd() > [1] "/home/a"
system("/bin/sh") does this for you under a Unix-alike. But as spawning a shell as cd-ing in the child does not change the working directory of the parent, the emulation would be imperfect if this worked in R. Do try it in your favourite shell! -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html