select a random excuse

selectRandomExcuse.bash

#!/bin/bash
# Generate a random number using date
RANDOM=$(date +%s)
EXCUSESARRAY=(
  "to visit Nosarobumeh in the hospital" 
  "for some away screen time" 
  "as I have a slight headache" 
  "to take a rest"
  "for the next one hour"
  "for a bit to run some errands"
)


# Sets the $randomExcuse variable
function selectRandomExcuse {
# To get the length of an array e.g EXCUSES in bash, we use ${#arrayName[@]}
# so $RANDOM % (length of array) gives us a number from 0 - length of array
# which we then use to index from the EXCUSESARRAY
  randomExcuse=${EXCUSESARRAY[$RANDOM % ${#EXCUSESARRAY[@]} ]}
}