Mac – Installing ffmpeg in mac os “command not found”

homebrewmacterminal

Hello I tried installing ffmpeg after installing homebrew. when I typed "brew install ffmpeg" it says "command not found" can you help please?

Best Answer

When you ran the first command, you pressed "any other key" than RETURN, and so you never actually installed homebrew.

Re-run the first command and make sure to hit the return (enter) key when asked.

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Terminal commands not found:

If the path includes spaces, you're going to need to quote it.

Your line export PATH=/Users/ps1/Documents/PS 1/whatever-else/:$PATH causes Bash to interpret the PATH=/Users/ps1/Documents/PS part as the full first argument to your PATH—telling export to set the PATH to only the section before the space. If you use export "PATH=/Users/ps1/Documents/PS 1/whatever-else/:$PATH", it will interpret the entire PATH=/Users/ps1/Documents/PS 1/whatever-else/:$PATH as part of the first argument. By convention, most people only quote the right side of the equals sign, because it looks nicer, it's the only thing that needs quoted, and bash automatically concatenates strings with no spaces between them.

MacOS – How to repair and/or reinstall Homebrew safely

Why don't you do what it says?

rm -rf /usr/local/Cellar /usr/local/.git && brew cleanup
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

The first line is going to delete homebrew completely and then you should be able to reinstall it.

NOTE: If you do this you'll have to reinstall all the things you installed via homebrew.

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Terminal commands not found:

MacOS – How to repair and/or reinstall Homebrew safely

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