When I run the install script, this happens: :~$ sh '/home/unicorn/Downloads/LW-EW-Linux-OSX-v1_0/install-LW.sh' Installing Long War for XCOM:EW, please, be patient... /home/unicorn/Downloads/LW-EW-Linux-OSX-v1_0/install-LW.sh: 30: /home/unicorn/Downloads/LW-EW-Linux-OSX-v1_0/install-LW.sh: Syntax e...