Useful snippets

    sed GNU & BSD

    # Cross-platform pattern: works on both GNU and BSD/macOS
sed -i'' -e 's/old/new/g' file.txt    # GNU
sed -i '' -e 's/old/new/g' file.txt   # BSD/macOS (note the space)

    https://www.commandinline.com/sed-command-cheat-sheet/