Install last downloaded file on macOS

install_last.sh

#/bin/bash

# Install the last downloaded file on macOS

dl_path=~/Downloads
last_dl=`ls -tl -A1 $dl_path/*.{dmg,pkg} | head -n1`

if [[ $last_dl == *.dmg ]]; then
  echo "Installing DMG: $last_dl..."
  VOLUME=$(hdiutil attach -nobrowse "$last_dl" | cut -f3 | tail -n1 ; exit ${PIPESTATUS[0]}) && (rsync -a "$VOLUME"/*.app /Applications/; SYNCED=$?
  hdiutil detach -quiet "$VOLUME"; exit $? || exit "$SYNCED")
fi

if [[ $last_dl == *.pkg ]]; then
  echo "Opening PKG: $last_dl..."
  open "$last_dl"
fi