On 12/02/2009 10:43 AM, Amrit Nandan wrote:
I tried calling R from a shell script and it works. This is an example
file rscript.sh
R --no-save << EOT
x<-2*pi
print(cbind(x,sin(x)))
quit("no")
EOT
This works perfectly on the Linux machine in which I have logged in via
SSH using the command ("./rscript.sh")
I tried running this command using php
<html>
<?php
$output = array();
$$retval = 0;
$a = shell_exec('./rscript.sh'." 2>&1");
//print phpinfo();
print $a;
?>
</html>
this does not work and gives me this error:
./rscript.sh: line 1: R: command not found
Maybe shell_exec('sh ./rscript.sh 2>&1' ) instead, maybe you need to
have the full path of R.
With this design, you are going to start a new R session each time you
want anything to be computed, and you are going to have to format the
result of the R code as a string and parse this string back in php.
You really should look into Rserve and its new php client, which I think
will solve all of these problems at once.
Just download the version 0.6-1 from here :
http://www.rforge.net/Rserve/files/
$ wget http://www.rforge.net/src/contrib/Rserve_0.6-1.tar.gz
# R CMD INSTALL Rserve_0.6-1.tar.gz
start the server
$ R CMD Rserve
grab the php client, and include it into your php application
$ tar zxvf Rserve_0.6-1.tar.gz
$ less Rserve/src/client/php/simple.php
If you try this route, be aware that the php client is very new. also
you probably want to post questions regarding it on this mailing list :
http://mailman.rz.uni-augsburg.de/mailman/listinfo/stats-rosuda-devel
Romain
Anybody familiar with this?
On Tue, Dec 1, 2009 at 5:35 PM, Romain Francois
<romain.franc...@dbmail.com <mailto:romain.franc...@dbmail.com>> wrote:
On 12/01/2009 12:48 PM, Hrishi Mittal wrote:
Hi Amrit,
I believe you can you use the PHP system command to call Rscript
or R CMD. I
don't know much PHP but this page might be useful -
http://php.net/manual/en/function.system.php.
You might also want to look at rapache -
http://biostat.mc.vanderbilt.edu/rapache/
Good luck with your project and do post a link to your webpage
when you get
it running.
There is also a simple php client to Rserve in the next version of
Rserve. http://www.rforge.net/Rserve/index.html
--
Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30
http://romainfrancois.blog.free.fr
|- http://tr.im/FtUu : new package : highlight
|- http://tr.im/EAD5 : LondonR slides
`- http://tr.im/BcPw : celebrating R commit #50000
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
