<izabera> ` echo \'for file do mapfile -t lines < "$file"; for (( i = ${#lines[@]} -1; i >= 0; i-- )) do printf "%s\\n" "${lines[i]}"; done done\' >> bin/tac

#!/usr/bin/env python
import sys
import json
data = json.loads(sys.stdin.read().decode('utf-8'))
print eval(sys.argv[1]).encode('utf-8')