Flag directories with > 30,000 files

count-files-one-liner.sh

find /path/to/starting/directory -mindepth 1 -type d -exec bash -c 'echo -n "{}: "; find "{}" -maxdepth 1 -type f | wc -l' \;

count-files.sh

#!/bin/bash
# Usage: 
# ./count-files.sh <directory>

# Function to count files in a directory
count_files() {
  local dir="$1"
  local num_files=$(find "$dir" -type f | wc -l)
  if [ $num_files -gt 30000 ]; then
    echo "$dir: $num_files"
  fi
}

# Function to recursively count files in directories
recursive_count_files() {
  local start_dir="$1"
  if [ -d "$start_dir" ]; then
    count_files "$start_dir"
    for d in "$start_dir"/*; do
      if [ -d "$d" ]; then
        recursive_count_files "$d"
      fi
    done
  fi
}

# Usage: ./count_files_recursive.sh /path/to/start/directory

# Check if an argument is provided
if [ $# -ne 1 ]; then
  echo "Usage: $0 /path/to/start/directory"
  exit 1
fi

start_directory="$1"
recursive_count_files "$start_directory"

Thank you, Ryan!