MacOS – How to make a command run automatically when I open a new terminal window

macosterminal

How do I make a command run automatically (in my case: alias t="todo.sh") whenever I open a new terminal window? I've looked for many posts but they all have personalised commands, which then led to personalised answers. Can anybody help me with this?

Best Answer

Each shell has initialisation files which get run at each start (aka new Terminal tab/window). Put the command into the appropriate one and it will be available in new tabs.

for bash, use ~/.bashrc
for zsh, use ~/.zshrc

You can use echo $SHELL to determine which shell you are using.

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You could simply use MacVIM to handle this. When you install MacVIM it should give you an option to install the command line shortcuts.

Then, in your Terminal, simply use mvim instead of vi:

mvim /path/to/your/file.txt

Or, if you are super lazy, add this to your ~/.profile:

alias vi=mvim

This also allows you to associate text files with MacVIM in finder, so you always get the right application for your files, weather you open them in the GUI or not.

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The actual script that executes when the new Terminal window is opened can be found at /usr/local/octave/3.8.0/bin/octave-3.8.0. This path will be different for different versions of Octave. To have this script run when you run the octave command, create a symbolic link to something like /usr/local/bin/octave (assuming /usr/local/bin is on your path).

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