Initial commit

rakelib/rename_lowercase.rake

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+###############################################################################
+# TASK: rename_lowercase
+#
+# copy files, rename all files to lowercase
+###############################################################################
+
+desc "rename lowercase"
+task :rename_lowercase, [:input_dir,:output_dir] do |_t, args|
+  # set default arguments
+  args.with_defaults(
+    input_dir: 'objects/',
+    output_dir: 'renamed/'
+  )
+
+  # ensure input directory exists
+  if !Dir.exist?(args.input_dir)
+    puts "Input folder does not exist!"
+    break
+  end
+
+  # ensure that the output directory exists.
+  FileUtils.mkdir_p(args.output_dir) unless Dir.exist?(args.output_dir)
+  
+  # Generate derivatives.
+  Dir.glob(File.join([args.input_dir, '*'])).each do |filename|
+    # Ignore subdirectories.
+    if File.directory? filename
+      next
+    end
+
+    # Get the lowercase filename 
+    name_old = filename
+    name_new = File.join(args.output_dir, File.basename(filename).downcase)
+
+    # check if file already exists
+    if File.exist?(name_new)
+      puts "new filename '#{name_new}' already exists, skipping!"
+      next
+    end
+
+    # copy file
+    puts "renaming: '#{name_old}' to '#{name_new}'"
+    system('cp', name_old, name_new)
+
+  end
+end