pip install -U $(pip freeze | awk '{split($0, a, "=="); print a[1]}')
参考:https://coderwall.com/p/quwaxa/update-all-installed-python-packages-with-pip
pip install -U $(pip freeze | awk '{split($0, a, "=="); print a[1]}')
参考:https://coderwall.com/p/quwaxa/update-all-installed-python-packages-with-pip