Subject: must specify username
From: ...ulz@tutanota.com
Date: Wed, 11 Dec 2019 13:44:40 +0100 (CET)
user@PC:~/tmp/devenv/megatools-1.10.2-win64$ ./megals.exe
ERROR: You must specify your mega.nz username (email)

.megarc has been added to home as showed in the video on the website