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Keep built-in MacBook monitor off when an external display is connected
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| #!/bin/zsh | |
| # Keep internal Macbook monitor off when an external monitor is connected | |
| # Requires https://formulae.brew.sh/formula/brightness | |
| while true | |
| do | |
| if [[ `brightness -l 2>/dev/null|grep 'display 1'` ]] | |
| then | |
| if [[ -z `brightness -l 2>/dev/null|grep 'display 1: brightness 0.000000'` ]] | |
| then | |
| brightness -d 1 0 | |
| fi | |
| fi | |
| sleep 5 | |
| done |
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Added condition to prevent unnecessary setting of brightness when not needed.