if [ -r "$FILE" ]; then ----- ⑦
    echo "-r operator: True"
else
    echo "-r operator: False"
fi

if [ -w "$FILE" ]; then ----- ⑧
    echo "-w operator: True"
else
    echo "-w operator: False"
fi

if [ -x "$FILE" ]; then ----- ⑨
    echo "-x operator: True"
else
    echo "-x operator: False"
fi