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Upgrade to bash 4 in Mac OS X Filed under: Server — Tags: bash, shell Bash 4 has some nice new features that are worth the effort of updating.

Older releases are available and the Git source repository is on GitHub.

Latest source Release

2.28.0 Release Notes (2020-07-27)

GUI Clients

Git comes with built-in GUI tools (git-gui, gitk), but there are several third-party tools for users looking for a platform-specific experience.

Logos

Various Git logos in PNG (bitmap) and EPS (vector) formats are available for use in online and print projects.

Bash For Mac Os X

Git via Git

Git Bash For Mac Os X

If you already have Git installed, you can get the latest development version via Git itself:

git clone https://github.com/git/git

You can also always browse the current contents of the git repository using the web interface.

Bash 4 has some nice new features that are worth the effort of updating.

Install bash

Bash version can be queried with the --version flag:

The actual installation is going to happen with HomeBrew, the OS X package manager, if you don’t have it, installed it with the following command:

Update homebrew packet database and install bash:

$ bash --version might show 4.x, but bash might be using 3.x still, it’s straightforward to test, the global variable $BASH_VERSION returns bash version.

Imagine a file:

Make it executable and run it:

Bash 4 Mac Os X

Seemingly it’s using the old bash still. The trick is the shebang on the first line, it’s pointing to the old bash. Change it to:

Now run it and it gives the 4 as a version.

Bash For Mac Os X 10.13

Configure terminal to use it

Now close terminal and boot the machine.

Bash Shell Mac Os X

Why bash 4?

Bash Tutorial Mac Os X

It supports associative arrays, plus bunch of other stuff.

Bash Mac Os X Commands

External reading

Here’s an in depth superuser thread on this.