Bash script to iterate over Unity projects in the current directory and clean them up (removes files and folders that Unity can regenerate when loading the project again)

clean_unity_projects.sh

#!/bin/bash

FOLDERS_TO_DELETE=("Library" "Temp" "obj" "Build" "Builds" "Logs")
FILES_TO_DELETE=("*.sln" "*.csproj")

DRY_RUN=true
if [[ "$1" == "--apply" ]]; then
  DRY_RUN=false
fi

if [ "$DRY_RUN" = true ]; then
  echo "--- Starting Unity projects clean-up in DRY RUN mode (use --apply to perform actual clean-up) ---"
  echo "No files or folders will be deleted."
else
  echo "--- Starting Unity projects clean-up in LIVE mode ---"
  echo "WARNING: This script will delete files and folders immediately."
fi

echo "Current directory: $(pwd)"
echo ""

# Find all immediate subdirectories of the current directory
for project_dir in */; do
    if [ -d "$project_dir" ]; then
        echo ">>> Processing project: ${project_dir}"

        for folder_name in "${FOLDERS_TO_DELETE[@]}"; do
            TARGET_PATH="${project_dir}${folder_name}"
            if [ -d "$TARGET_PATH" ]; then
                if [ "$DRY_RUN" = true ]; then
                    echo "    [DRY RUN] Would delete folder: $TARGET_PATH"
                else
                    echo "    Deleting folder: $TARGET_PATH"
                    rm -rf "$TARGET_PATH"
                fi
            fi
        done

        for file_pattern in "${FILES_TO_DELETE[@]}"; do
            for file_to_delete in "${project_dir}"${file_pattern}; do
                if [ -f "$file_to_delete" ]; then
                    if [ "$DRY_RUN" = true ]; then
                        echo "    [DRY RUN] Would delete file:   $file_to_delete"
                    else
                        echo "    Deleting file:   $file_to_delete"
                        rm -f "$file_to_delete"
                    fi
                fi
            done
        done
    fi
done

echo ""
if [ "$DRY_RUN" = true ]; then
  echo "--- Dry Run Complete! ---"
else
  echo "--- Cleanup Complete! ---"
fi