Reading S-plus data in R

Dear r-users,

I would like to read S-Plus data (.ssd) into R.  I tried this:

library(foreign)
read.S("C:/Users/FTSI/Desktop/2 ICGPA/1ACTIVITY.sdd")

and got this message:

read.S("C:/Users/FTSI/Desktop/2 ICGPA/1ACTIVITY.sdd")
Error in read.S("C:/Users/FTSI/Desktop/2 ICGPA/1ACTIVITY.sdd") :
  not an S object

What is wrong with this?  Thank you so much for your help.

*Roslinazairimah Zakaria*
*Tel: +609-5492370; Fax. No.+609-5492766*

*Email: roslinazairimah at ump.edu.my <roslinazairimah at ump.edu.my>;
roslinaump at gmail.com <roslinaump at gmail.com>*
Faculty of Industrial Sciences & Technology
University Malaysia Pahang
Lebuhraya Tun Razak, 26300 Gambang, Pahang, Malaysia

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