Install create gif of selection on screen (Ubuntu)

install-select-recordgif.sh

# get dependencies for this script
sudo apt install byzanz git dh-autoreconf libx11-dev

# get xrectsel to make selection on screen
git clone https://github.com/lolilolicon/xrectsel
cd xrectsel
./bootstrap  # required if ./configure is not present
./configure --prefix /usr
make
sudo make DESTDIR="$directory" install

# get recordgif script
cd ~
mkdir bin
cd bin
wget https://gist.githubusercontent.com/rensjaspers/2efe9358817c9b5abc0c0c063023f407/raw/d27ed5927311677decc37f70890ec4e060ce8ca0/recordgif
chmod +x recordgif
echo 'The recordgif script is in ~/bin/'

# reload profile 
. ~/.profile

# usage: 
# to record for 20 seconds, typ in terminal: recordgif 20 
# you are prompted to make a selection
# the recording starts after a countdown of 3 seconds
# the recording is saved in /tmp/recorded.gif