#!/bin/bash

# quadrupal7 root
q7=/path/to/drupal7/sites/;
q7l=${#q7};

# drupal 8 root
d8=/path/to/drupal8/projects/;
d8l=${#d8};

act=$d8;
actl=$d8l;

if [[ $PWD == ${q7}* ]]; then
  act=$q7;
  actl=$q7l;
fi

if [[ $PWD == ${d8}* ]]; then
  act=$d8;
  actl=$d8l;
fi

arr=( $(find $act -maxdepth 1 -type d) );
for i in ${arr[@]}; do
  if [[ $PWD == *${i}* && ${#i} -ge 5 ]]; then
  al=${i:actl};
    if [[ ${#al} -gt 0 ]]; then
    drush @$al $1;
    fi
  fi
done