Set Environment Variable From Linux Command Output

It can be useful to set temporary environment variables from the command line in Linux. Even more useful is the output of a long command being set to a single environment variable. Below I show an example of setting an environment variable followed by setting an environment variable to the output of a command or string of commands.

Set Environment Variable In Linux:

Easy enough. So now if you wanted to set an environment variable to the output of a command or string of commands you might expect that you could set VARIABLE2=thecommand but if there are spaces, slashes, ticks, etc. it will break the output. Instead you have to issue the command similar to VARIABLE2=(the command) as shown in the below example.
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Set Environment Variable From Command Output In Linux:

As you can see the output of the command is now set to the variable.