good_morning.sh

#!/bin/bash

toUpgrade=('git' 'node' 'wget' 'openssl')

array_contains () {
    local array="$1[@]"
    local seeking=$2
    local in=1
    for element in "${!array}"; do
        if [[ $element == $seeking ]]; then
            in=0
            break
        fi
    done
    return $in
}

echo "Good Morning Mr. Schumacher!"
echo "Updating Brew:"

brew update

OUTDATED="$(brew outdated)"

IFS=' ' read -ra FORMULAES <<< "$OUTDATED"

for FORMULAE in "${FORMULAES[@]}"; do
	array_contains toUpgrade "$FORMULAE" && echo "$(brew upgrade $FORMULAE)" 
done

echo "Have a good day Mr. Schumacher!"