$ apt-get install build-essential irssi-dev libglib2.0-dev libssl-dev cmake git $ git clone https://github.com/falsovsky/FiSH-irssi.git $ cd FiSH-irssi $ cmake . $ make $ cd src $ sudo cp libfish.so /usr/lib/i386-linux-gnu/irssi/modules/ or $ sudo cp libfish.so /usr/lib/irssi/modules/ or $ sudo cp libfish.so /usr/lib/x86_64-linux-gnu/irssi/modules/
Favorite settings:
/set mark_encrypted ยท /set mark_position 0 /save