rm -f "$OUTPUT"
# create partition table
-set `ptgen -o "$OUTPUT" -h 16 -s 32 -l ${ALIGN} -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m`
+set $(ptgen -o "$OUTPUT" -h 16 -s 32 -l ${ALIGN} -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m)
KERNELOFFSET="$(($1 / 512))"
ROOTFSOFFSET="$(($3 / 512))"