get all the directory names that contain some string

tfgrep_dirs.sh

#!/bin/bash
# return a list of directories the contain given text
# example: ~/scripts/tfgrep_dirs.sh '^\s*source\s*=\s*.*some_module_name'

file_paths=$(grep -irlP --include \*.tf --exclude-dir=.terraform --exclude-dir=.git $@)
dirs_array=()

for i in $file_paths; do
  dirs_array+=($(dirname $i))
done

dirs_uniq=($(echo "${dirs_array[@]}" | tr ' ' '\n' | sort -u | tr '\n' ' '))

for i in "${dirs_uniq[@]}"; do
  echo $i
done