# Gathering the outdated packages list
echo "Gathering the outdated packages list..."
py_pkglist=$(pip3 list --outdated --format=freeze | grep -v '^\-e' | cut -d '=' -f 1)

# Updating
if [ ! -z "$py_pkglist" ]; then
        echo $py_pkglist | xargs -n 1 pip3 install -U
else
        echo "All packages are up to date."
fi

# Unsetting the variable
unset py_pkglist