Get all paths to Drupal sites on a server

locatedrupal.sh

#!/bin/bash

# Author: Alan Ivey
# http://echodittolabs.org/blog/2011/01/are-your-drupal-sites-running-latest-core

# Default path.
WEBHOME=/var/www

# Default limit on subfolder depth to speed up the search.
MAX_DEPTH=6


function show_help {
  echo -e "Usage: ./locatedrupal.sh [OPTIONS] [PATH]"
  echo -e "Search the file system for Drupal installations. Default path: $WEBHOME\n\nOptions:"
  echo -e "-h\t--help\t\tShow this help text."
  echo -e "-v\t--version\tShow the Drupal version alongside the path."
  echo -e "-m N\t--max-depth N\tLimit the search to a depth of N subfolders. Default: $MAX_DEPTH"
}


# Check command line arguments.
while [[ "$1" == -* ]]; do
  case "$1" in
    -h|--help|-\?) show_help; exit 0;;
    -v|--version) SHOW_VERSION=true; shift;;
    -m|--max-depth) shift; MAX_DEPTH=$1; shift;;
    --) shift; break;;
    -*) echo "invalid option: $1" 1>&2; show_help; exit 1;;
  esac
done

# Use the given path if it exists, and strip a trailing slash.
if [ -n "$1" ]; then
  WEBHOME=${1%/}
fi

if [ -n "$MAX_DEPTH" ]; then
  MAX_DEPTH="-maxdepth $MAX_DEPTH"
fi


# Workaround to fix awk counting below, but it works.
WEBHOMECOUNT=$(($(echo "${WEBHOME}" | grep -o "/" | wc -l | sed s/\ //g)+2))

# Change maxdepth from 5 to some other value if your webroot is not being detected.
for i in $(find $WEBHOME $MAX_DEPTH -type f -name system.module); do
  # Grab the version number from the system.module file.
  # Ref. http://drupal.org/handbook/version-info
  VERSION=$(grep "VERSION" ${i}|awk -F\' '{print $4}')

  # Drupal 4 has the system.module file in a lower directory than Drupal 5+.
  if [[ "$VERSION" == 4* ]]; then
    SITE=${WEBHOME}/$(echo $i|awk -v count="$WEBHOMECOUNT" -F/ '{for(j=count;j<=NF-2;j++) \
           printf $j"/"}' | sed 's/.$//g')
  else
    SITE=${WEBHOME}/$(echo $i|awk -v count="$WEBHOMECOUNT" -F/ '{for(j=count;j<=NF-3;j++) \
           printf $j"/"}' | sed 's/.$//g')

    # Drupal 7 keeps the version number in bootstrap.inc.
    if [ -z "$VERSION" ]; then
      VERSION=$(grep "define('VERSION'" ${SITE}/includes/bootstrap.inc \
                | awk -F\' '{print $4}')
    fi

    # Drupal 8 stores the version number in Drupal.php.
    if [ -z "$VERSION" ]; then
      VERSION=$(grep "const VERSION =" ${SITE}/lib/Drupal.php | awk -F\' '{print $2}')
      SITE=${WEBHOME}/$(echo $i|awk -v count="$WEBHOMECOUNT" -F/ '{for(j=count;j<=NF-4;j++) printf $j"/"}' | sed 's/.$//g')
    fi

  fi

  if [ -n "$SHOW_VERSION" ]; then
    echo $SITE - $VERSION
  else
    echo $SITE
  fi

done