Text λ provides a command-line utility tl, which supports most of the features available in the main GUI app. You will also need it if you need to access your data via scripts.
Installation
Linux
If you prefer brew, try the following command instead.
brew install textlambda/brew/tl
MacOS
brew install textlambda/brew/tl
Windows
Shell completion
bash
Put this in your bash startup script:
eval "$(tl --bash-completion-script)"
zsh
eval "$(tl --zsh-completion-script)"
fish
tl --fish-completion-script | source