Your FUNERAL

removeflash.sh

#!/bin/bash
# your funeral

LOCAL_INSTALL_MANAGER="/Applications/Utilities/Adobe Flash Player Install Manager.app/Contents/MacOS/Adobe Flash Player Install Manager"
DOWNLOAD_URL="https://fpdownload.macromedia.com/get/flashplayer/current/support/uninstall_flash_player_osx.dmg"
DMG_NAME=$(printf "%s" "$DOWNLOAD_URL" | sed 's@.*/@@')
LOCAL_DMG_PATH="/tmp/$DMG_NAME"
LOCAL_VOLUME_NAME="Flash Player"

localFlashVersion=$(/usr/bin/defaults read "/Library/Internet Plug-Ins/Flash Player.plugin/Contents/version" CFBundleShortVersionString)

if [ "${localFlashVersion}" ]; then
  if [ -f "$LOCAL_INSTALL_MANAGER" ]; then
    flashInstallManager="$LOCAL_INSTALL_MANAGER"
    "$flashInstallManager" -uninstall
  else
    /usr/bin/curl -k --retry 3 --silent -o "$LOCAL_DMG_PATH" "$DOWNLOAD_URL"
    /usr/bin/hdiutil attach "$LOCAL_DMG_PATH" -nobrowse -quiet
    flashInstallManager="/Volumes/$LOCAL_VOLUME_NAME/Adobe Flash Player Uninstaller.app/Contents/MacOS/Adobe Flash Player Install Manager"
    "$flashInstallManager" -uninstall
    /usr/bin/hdiutil detach "/Volumes/$LOCAL_VOLUME_NAME"
    /bin/rm "$LOCAL_DMG_PATH"
  fi
  
else
  printf "Adobe Flash not found."
fi