Set CHROMEDRIVER_VERSION on shell start

normal shells (bash, zsh)

Append this to your usual config file (.bashrc, .zshrc)

export CHROMEDRIVER_VERSION=`(chromedriver --version | sed -E -n 's/^.* (([0-9]+\.){3}[0-9]+).*$/\1/p')`

fish shell

Append this to ~/.config/fish/config.fish

set -gx CHROMEDRIVER_VERSION (chromedriver --version | sed -E -n 's/^.* (([0-9]+\.){3}[0-9]+).*$/\1/p')