# Functions to deal with greetings
  #
  # Written by My_name
  #
  # Earth and Life Institute / Université catholique de Louvain (ELIC-UCL)
  # Created: May 4, 2017
  # Adapted:
 
  #######################################
  # Say Hello in English
  # Globals:
  # Arguments: 
  # None
  # Returns:
  # None
  #######################################
  function say_hello() {
    echo "Hello world !"
  }