Detect which apps are running under Rosetta2 or native on Apple Silicon M1.

whichiswhich.sh

for appFolder in /Applications/*/ ; do
    cd "$appFolder/Contents/MacOS/" 2> /dev/null

    if [[ "$?" != 0 ]]; then  continue;  fi

    for file in * ; do
        if [ ! -d "$file" ] && [[ $file != *"."* ]]; then
            architecture=$(file "$file")
            if [[ $architecture != *"arm64"* ]]; then
                echo "\"$file\" doesn't support arm64."
            fi
        fi
    done
done

echo "\nMade with <3 by mahdyar.me"

It can be run simply with curl:

sh -c "$(curl -fsSL git.io/arm64)"

or:

sh -c "$(curl -fsSL https://gist.githubusercontent.com/mahdyar/e72758d4a7a850cb001e75b5b0c5f143/raw/86d4eb6662fcf8e9ffe82cd67d7c5fcf31e5943d/whichiswhich.sh)"

also, it can be downloaded and run manually:

chmod +x ./whichiswhich.sh
./whichiswhich.sh