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According to this article the following script should return the current Power Mode state:

pmset -g |grep lowpowermode

This is what it actually returns in my case:

enter image description here

When set through system preferences, the script doesn't seem to change in either Low or High Power mode.

Doesn't change neither if the script is:

pmset -g |grep highpowermode

Am I doing something wrong?

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  • I see MBP in there, but what exact model of Mac is it?
    – Joel Reid
    May 23 at 20:53

1 Answer 1

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First note that while your picture looks correctly-entered, the line appearing in your question has "highpowermode" printed which, to my knowledge, is not one of the management settings entries.

Next, about grep; in the form used in that article, grep just filters down the output piped | to it from the first command, to include only lines containing lowpowermode …and you apparently don't have any. So, grep is just filtering out everything. You can instead read through all the power settings—the complete output of the first command—by just entering:

pmset -g

We don't have the complete picture yet, but my guess is that your Mac model does not fully support the new lowpowermode, so pmset doesn't include a setting for it.

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