lorenzo@elisa ~/Desktop $ time python json_std.py final.txt message > test.txt

real	0m13.729s
user	0m13.303s
sys	0m0.428s
lorenzo@elisa ~/Desktop $ time python ultrajson.py final.txt message > test2.txt

real	0m3.859s
user	0m3.450s
sys	0m0.411s
lorenzo@elisa ~/Desktop $ wc -l final.txt
1557644 final.txt
lorenzo@elisa ~/Desktop $ wc -l test.txt
1557644 test.txt
lorenzo@elisa ~/Desktop $ wc -l test2.txt
1557644 test2.txt
lorenzo@elisa ~/Desktop $ diff test.txt test2.txt
lorenzo@elisa ~/Desktop $