not working lmde 6

[rendisadia]

 bash -c "$(wget -q https://raw.githubusercontent.com/OpenBangla/OpenBangla-Keyboard/master/tools/install.sh -O -)"
|-------------------------------------------------------|
|-----Welcome to the OpenBangla Keyboard installer------|
|-------------------------------------------------------|

This helper script will install/update OpenBangla Keyboard in your system.
You might need to type your password for the installation to proceed.

After the installation completes successfully, you would need to configure
your desktop environment for OpenBangla Keyboard to work.
Visit https://github.com/OpenBangla/OpenBangla-Keyboard/wiki/Configuring-Environment
for instructions on how to configure your desktop environment.
--------------------------------------------------------

Downloading installation package for  ...

Sorry, this script was not able to identify your OS distribution.
Please report a bug at https://github.com/OpenBangla/OpenBangla-Keyboard/issues

Please visit https://github.com/OpenBangla/OpenBangla-Keyboard/wiki/Installing-OpenBangla-Keyboard for distrowise/distro-specific install instructions.

Do you want to see the instructions? (Yes/No)   

[mominul]

Download this file and install it using:

sudo apt install ./path/to/the/file