Finished and ran reorganize.sh

Lab 1 - Group Work/reorganize.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SRC_DIR="${1:-lab1_files/file_renaming/Salkind 6e Data Sets}"
+DEST_DIR="${2:-lab1_files/file_renaming/reorganized}"
+
+mkdir -p "$DEST_DIR"
+
+shopt -s nullglob
+
+for f in "$SRC_DIR"/Chapter\ *\ Data\ Set\ *.sav; do
+  base="$(basename "$f")"  # e.g., "Chapter 12 Data Set 3.sav"
+
+  # Extract chapter number k and dataset number j robustly.
+  # Expected format: Chapter k Data Set j.sav
+  k="$(printf '%s' "$base" | sed -E 's/^Chapter ([0-9]+) Data Set ([0-9]+)\.sav$/\1/')"
+  j="$(printf '%s' "$base" | sed -E 's/^Chapter ([0-9]+) Data Set ([0-9]+)\.sav$/\2/')"
+
+  # If the file doesn't match the pattern, skip it (e.g., "Sample Data Set.sav")
+  if [[ "$k" == "$base" || "$j" == "$base" ]]; then
+    continue
+  fi
+
+  chap_dir="$DEST_DIR/Chapter${k}"
+  mkdir -p "$chap_dir"
+
+  cp -f "$f" "$chap_dir/DataSet${j}.sav"
+done
+
+echo "Done. Created reorganized structure at: $DEST_DIR"