Final answer:
To automatically load the .bash_profile in macOS, add the line 'source ~/.bash_profile' to the .bashrc file in the home directory. Use a text editor to make this modification, and after saving it, new Terminal sessions will pick up the changes.
Step-by-step explanation:
On macOS, the .bash_profile file is loaded automatically whenever a new Terminal session is started as a login shell. However, if you are using a non-login shell or want to ensure that the contents are always applied, you can source the .bash_profile manually by adding the following line to your .bashrc file:To load the ~/.bash_profile automatically on macOS every time you open your Terminal, you can follow these steps:Open your Terminal.
Type nano ~/.bash_profile and hit Enter.Add the necessary commands or aliases to the file.Press Control + X to exit nano.Press Y to save the file.Press Enter to confirm the filename.Now, every time you open a new Terminal window, the commands or aliases you added to the ~/.bash_profile file will be automatically loaded.Open the Terminal.Type nano ~/.bashrc to open or create the file in nano editor.Add the line source ~/.bash_profile to the file.Press Ctrl + O to save the file, then Ctrl + X to exit nano.For the changes to take effect without restarting the terminal you can type source ~/.bashrc.I you want the .bash_profile to be loaded automatically in all new shells, make sure to add the source line to the .bashrc file, since it is read for non-login shells. For login shells, the system automatically sources .bash_profile.