-HEADER_STACK=`awk '/#define AO_STACK_START/ {print $3}' $HEADER | nickle`
-MEM_STACK=`awk '/Stack starts at/ {print $4}' $MEM | nickle`
+HEADER_STACK=`awk '/#define AO_STACK_START/ {print strtonum($3)}' $HEADER`
+MEM_STACK=`awk '/Stack starts at/ {print strtonum ($4)}' $MEM`