refactor: replace folder_metrics.sh with folder-metrics.sh for improved output formatting

folder-metrics.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Check if a directory is provided as an argument
+if [ -z "$1" ]; then
+  echo "Usage: $0 <directory>"
+  exit 1
+fi
+
+# Calculate the disk usage of the directory and its children
+echo "Disk usage for directory: $1"
+echo "--------------------------"
+du -sh "$1"
+
+echo
+echo "Usage for each subdirectory"
+echo "--------------------------"
+
+# Iterate over each subdirectory
+for dir in "$1"/*; do
+  if [ -d "$dir" ]; then
+    # Get the disk usage of the subdirectory
+    space_used=$(du -sh "$dir" | cut -f1)
+    # Count the number of files in the subdirectory
+    file_count=$(find "$dir" -type f | wc -l)
+    # Output the subdirectory name, space used, and file count in tabular format
+    printf "%-30s %-10s %10s files\n" "$(basename "$dir")" "$space_used" "$file_count"
+  fi
+done