I am having the same problem with a newer version of tcshell and reg-feat2anat as discussed in threads below. Has this been resolved? If not, could a working link to the updated version mentioned previously be reposted.
https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2013-June/030473.html
https://mail.nmr.mgh.harvard.edu/pipermail/freesurfer/2013-September/033521....
Thanks, Greg