Hi, Running valgrind on src/split with the following command reports a memory error. I have attached the valgrind output (i.e. Use of uninitialised value) Regards *Ridwan Shariffdeen* Research Fellow | National University of Singapore https://rshariffdeen.com ----------------------------------------------------- Important: This email is confidential and may be privileged. If you are not the intended recipient, please delete it and notify us immediately; you should not copy or use it for any purpose, nor disclose its contents to any other person. Thank you.