permalias

# Add permalias command to my bash shell

# from
# https://askubuntu.com/questions/1414/how-to-create-a-permanent-alias
# https://askubuntu.com/a/80290/521770

#
# installation:
#   { curl -s https://gist.githubusercontent.com/Masterxilo/f1967743fda3a1aded56ebaff4dd097b/raw/permalias | source /dev/stdin ; source ~/.bashrc ; }
#
cat >> ~/.bashrc <<EOF
# usage example:
#   permalias cls=clear
function permalias () 
{ 
  alias "\$@";
  echo alias "\$@" >> ~/.bash_aliases
}
EOF
echo "installed permalias"

# the program is not run without an extra newline

I am getting bash: permalias: command not found in manjaro Linux. Any idea about that?