dsv (setup): make sure file ends with a newline, so that we can "read" it

dsv/dsv

@@ -102,6 +102,11 @@ setup()
 	    echo "$n: not found" 2>&1
 	    continue
 	fi
+	#
+	# "read" doesn't recognize lines that don't end with a newline.
+	# The cat-sed hack below works around this problems.
+	#
+	cat -E "$n" | sed 's/[^$]$/&\n/;s/$$//' | {
 	    while read line; do
 		[ "$line" = "${line###}" ] || continue
 		tmp=`echo "$line" | awk '/^[^\t ]/ { print $1 }'`
@@ -113,9 +118,10 @@ setup()
 		    tag=$tmp
 		    value=$tail
 		fi
-	done <"$n"
+	    done
 	    set_value
 	    eof
+	}
     done
 }