esac
# We can use either GNU groff or Sun Solaris troff + dpost
-if [ -x /usr/local/bin/groff ]
+if [ which groff > /dev/null ]
then # GNU groff
TROFF="groff $FORMAT"
TROFF2PS="cat"
-elif [ -x /usr/lib/lp/postscript/dpost ]
++elif [ which dpost > /dev/null ]
then # Solaris 2.1
TROFF="troff $FORMAT"
TROFF2PS="/usr/lib/lp/postscript/dpost"
else
- echo "Cannot find troff-to-PostScript filter"
++ echo "Cannot find troff-to-PostScript filter" >&2
exit 1
fi