Directory Report

#!/usr/bin/env bash
set -euo pipefail

directory="${1:-.}"

if [[ ! -d "$directory" ]]; then
	printf 'Directory not found: %s\n' "$directory" >&2
	exit 1
fi

file_count=$(find "$directory" -type f -print0 | tr -cd '\0' | wc -c | tr -d ' ')
folder_count=$(find "$directory" -type d | wc -l | tr -d ' ')

# Largest file: print "<size> <path>", sort numerically descending, take first.
# `find -printf` is GNU-only; macOS/BSD ships `stat -f`, so we branch.
# `stat -c` (GNU) and `stat -f` (BSD) are mutually exclusive — probe with -c
# against `/` (which always exists) and fall back to BSD form on failure.
if stat -c '%s %n' / >/dev/null 2>&1; then
	largest_file=$(find "$directory" -type f -printf '%s %p\n' \
		| sort -rn \
		| head -n 1 \
		| cut -d' ' -f2-)
else
	largest_file=$(find "$directory" -type f -exec stat -f '%z %N' {} + \
		| sort -rn \
		| head -n 1 \
		| cut -d' ' -f2-)
fi

printf 'Directory: %s\n' "$directory"
printf 'Files:     %s\n' "$file_count"
printf 'Folders:   %s\n' "$folder_count"
printf 'Largest:   %s\n' "${largest_file:-none}"