On Thu, 24 Jun 2004, Shin, Daehyok wrote: > Is it difficult in R to create a function calling system() with user's > inputs iteratively?
See the example below! > > Daehyok Shin (Peter) > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Behalf Of Prof Brian Ripley > > Sent: Thursday, June 24, 2004 PM 2:28 > > To: Shin, Daehyok > > Cc: R, Help > > Subject: Re: [R] system shell emulation in R > > > > > > 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 > > > > -- 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
