Oudated Cask (-q + grep to script)

cask-outdated.sh

function cask-outdated() {
    local INFO
    local OUTDATED
    local LATEST
    local c
    local available
    local installed
    
    for c in $(brew cask list); do
        INFO=$(cask info $c 2>&1)
        available=$(echo $INFO | head -n1 | cut -f2 -d ' ')
        installed=$(echo $INFO | head -n3 | tail -n1 | sed -e 's|.*/||g' | cut -d' ' -f1)

        if [[ "$installed" == "latest" ]]; then
            LATEST="$LATEST $c"
            [[ "$1" == "-q" ]] || echo "$c: latest -> latest"
        fi

        if [[ "$available" != "$installed" ]]; then 
            OUTDATED="$OUTDATED $c"
            [[ "$1" == "-q" ]] || echo "$c: $installed -> $available"
        fi
    done

    echo "OUTDATED:$OUTDATED"
    echo "LATEST:$LATEST"
}