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4 questions
23
votes
2
answers
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What does command eval "$(/opt/homebrew/bin/brew shellenv)" actually do?
Homebrew requires us to add eval $(/opt/homebrew/bin/brew shellenv) to ~/.zprofile. What does this actually evaluate to and what does this accomplish?
I am a bit new to shell scripting. I know $var is ...
- 333
1
vote
1
answer
115
views
bash `if` block contents fail to execute due to syntax error on extended glob pattern in MacOS
Short Version:
When extended glob is turned on inside a bash if block on my Mac, the entire block fails with a syntax error on any extend glob pattern contained in the block, even if it follows the ...
- 21
3
votes
1
answer
484
views
tmux configuration: command output substitution doesn't
I am trying to make parts of my .tmux.conf file conditional depending on the kind of system I'm on. For a start, I want one part to only be processed on MacOS.
The man page says that I can use the #(...
- 699
0
votes
1
answer
35
views
what `foo=bar programname` means [duplicate]
While developing a React app, I needed to use some environment variables.
The way to do it is by using this syntax:
REACT_APP_NOT_SECRET_CODE=abcdef npm start
see reference
My first question is: ...
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