Running brew update is used to update brew, whereas software is upgraded via the brew upgrade command. Running the original stated command of brew update opencv will just return:
Error: This command updates brew itself, and does not take formula names.
Small correction to the brew instructions.
Running
brew update
is used to update brew, whereas software is upgraded via thebrew upgrade
command. Running the original stated command ofbrew update opencv
will just return:Error: This command updates brew itself, and does not take formula names.
Hope this helps clarify for other users.