Who sets the BROWSER environment variable in macOS?
Solution 1:
BROWSER is not set by default on macOS. Where exactly it is set depends on the shell you are using and its specific configuration:
-
bash:
/etc/profile,~/.bash_profile,~/.bashrc -
zsh:
/etc/zshenv,/etc/zprofile,/etc/zshrc,/etc/zlogin,~/.zshenv,~/.zprofile,~/.zshrc,~/.zlogin
Besides the configuration files itself the variable may also get set in a script sourced from one of them.
Solution 2:
To answer myself, BROWSER, EDITOR, VISUAL and PAGER are all set by ~/.zprofile.
They seem to be added by the Prezto ZSH configuration framework.