sed sanitise bash function

san

# Use this shell function to sanitise variables before using them with sed,
# or in another context where escapes might be substituted

funtion san {
  echo "$1" | tr -d '\n' | xxd -plain | sed 's/\(..\)/\\x\1/g' | tr -d '\n'; }

# Use it like this
# somevar=$(san "$somevar")