Thanks Gabor. I didn't realize you could. Here is the scriptdemo.rsh file as a text attachment, in case the line wraps made it hard to read/use.
- Jason On Mon, Mar 29, 2010 at 11:19 AM, Gabor Grothendieck < ggrothendi...@gmail.com> wrote: > Thanks. > > You might want to repost it as a text attachment since many of the > lines wrapped around. > > Another more permanent possibility would be to put it on the R wiki at > http://rwiki.sciviews.org/doku.php > > Note that the gsubfn package has a facility for quasi-perl type string > interpolation as well. Just preface any function with fn$ and the > facility is applied to the arguments of the function (subject to > certain heuristics which determine which args to apply it to). > > > library(gsubfn) > > today <- format(Sys.Date()) > > show <- list() > > show$syntax <- 43 > > Sys.setenv(AN_ENV_VAR="greetings (I'm an env var!)") > > > > fn$cat('Getting `Sys.getenv("AN_ENV_VAR")` from the environment, on > $today, > + `show$syntax` is also possible.\n') > Getting greetings (I'm an env var!) from the environment, on 2010-03-29, > 43 is also possible. > > > > On Mon, Mar 29, 2010 at 11:41 AM, Jason E. Aten <j.e.a...@gmail.com> > wrote: > > Dear R users, > > > > A colleague of mine asked me how to write a script (an executable text > file > > containing R code) in R. After I showed > > him, he said that after extensive searching of the R archives, he had not > > found anything like these techniques. > > > > He suggested that I share these methods to enable others to leverage R as > a > > better alternative to bash/perl scripts. > > > > So in the interest of giving back to the R community, and with all > humility, > > I offer the > > following small demonstration of one method for creating scripts of R > code > > that are > > executable from the (at least Linux) command line. > > > > I don't make any warrantees that this will work for you, but if it helps > > somebody at least > > get starting utilizing R effectively in scripts, then great! > > > > Best regards, > > > > Jason > > > > -- > > Jason E. Aten, Ph.D. > > > > > > # file: scriptdemo.rsh > > >
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