$ gem install standard_pathrequire 'standard_path'
StandardPath.downloads
StandardPath.music
StandardPath.app_local_data(my_app)-
.os -
.desktop -
.documents -
.downloads -
.pictures -
.music -
.videos/.movies -
.app_data(name) -
.app_local_data(name) -
.app_config(name) -
.app_cache(name) -
.app_temp(name)