Bash-script to get the current SiteVision version for a URL

svv

#!/usr/bin/env bash

####################################################
# Script to get the SiteVision version of a URL.
# This depends on the linked assets having the 
# version number in their URLs.
####################################################

if [ -z "$1" ]; then
  echo "Missing argument (URL)"
  exit 1
fi

URL=$1

RESULT=$(curl -m 10 --retry 3 -L --max-redirs 3 -s $URL | sed -nE 's/.*\/sitevision\/([0-9\.\-]+)\/.*/\1/p' | sed 1q)

if [ -n "$RESULT" ]; then
  echo "SiteVision $RESULT"
else
  echo "Not running SiteVision"
fi