Class: MasterView::TemplateFileWatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/masterview/extras/watcher.rb

Class Method Summary collapse

Class Method Details

.check(path, filename_pattern, check_subdirectories, &block) ⇒ Object

Check path for filenames matching filename_pattern and if found exec block passing in the full path name. filename_pattern is a wildcard pattern similar to those used in shells If check_subdirectories is true then the system will recurse into subdirectories looking for filename matches as well. returns an array of files that were modified and the block was run for



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# File 'lib/masterview/extras/watcher.rb', line 9

def self.check(path, filename_pattern, check_subdirectories, &block)
  files_run = []
  return unless File.exist?(path)
  Dir.new(path).each do |f|
    full_name = File.join(path, f)
    if File.directory? full_name
      self.check(full_name, filename_pattern, check_subdirectories, &block) if check_subdirectories && !f.starts_with?('.')
    elsif File.fnmatch?(filename_pattern, f)
      mtime = File.mtime(full_name)
      @@file_mtimes ||= {}
      unless @@file_mtimes[full_name] == mtime
        yield full_name
        @@file_mtimes[full_name] = File.mtime(full_name)
        files_run << full_name
      end
    end
  end
  files_run
end