Backup Google Chrome bookmarks across all Chrome Profiles

backup-bookmarks.sh

#!/bin/sh

#
# Backup Google Chrome bookmarks across all Chrome Profiles.
# Tested on macOS, but should work on other *nix systems.
#
# Download and install:
#
#   curl -s https://gist.githubusercontent.com/shuckster/a91724adf5db1897ef07a69165b40e44/raw/backup-bookmarks.sh -o ./backup-bookmarks.sh
#   chmod +x ./backup-bookmarks.sh
#   ./backup-bookmarks.sh --install
#
# Written by Conan: https://gist.github.com/shuckster/a91724adf5db1897ef07a69165b40e44
#

cd "${0%/*}" || exit
# (^- change the working-directory to where this script is)

machine_name=$(uname -n | sed 's/[^a-zA-Z0-9]/_/g')
time_stamp=$(date "+%Y-%m-%d__%H.%M")
backup_folder="/Users/$USER/Dropbox/Bookmarks/${machine_name}/${time_stamp}"

crontab_install()
{
  # https://unix.stackexchange.com/a/76604
  this_script=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)/$(basename -- "$0")")

  echo "Suggested crontab line:"
  echo ""
  echo "    0 12 * * * $this_script"
  echo ""
  echo "Press [Enter] to open 'crontab -e' where you can paste the above line."
  read -r
  crontab -e
  crontab -l
}

perform_backup()
{
  mkdir -p "$backup_folder" || failure "Could not create backup folder: $backup_folder"
  count=0

  for bookmark in /Users/$USER/Library/Application\ Support/Google/Chrome/**/Bookmarks
  do
    count=$((count+1))
    dest="$backup_folder/Bookmarks_Profile_${count}.json"
    echo "Backing up Chrome Bookmark file..."
    echo "  From: '$bookmark'"
    echo "    To: '$dest'"
    cp "$bookmark" "$dest" || failure "Failed to backup above bookmarks file"
  done
}

failure()
{
  echo "Error: $1"
  exit 1
}

if [ "$1" = '--install' ]
then
  crontab_install
  exit 0
fi

perform_backup