Unlike the Windows Recycle Bin, Mac Trash doesn’t provide the capability to remove selected files and folders from the trashcan. The trash folder offers only two options, which are, to Put Back the specific file, i.e. restore file/folder to source location and to empty the trash – delete all the contained files and folders in one click.
OneTrash is a little app for Mac OS X, which sits in dock bar, allowing you to bring it up anytime to remove selected items from trash can. I have heard of many people using certain commands in the Terminal window to delete selected files, but with OneTrash you are sure to save some time and keystrokes.
Using OneTrash couldn’t be easier. Just open OneTrash to view a list of files and folders, which you’ve trashed. Now select the item, which you want to delete from Trash folder and click ‘OK’. A dialog will appear; informing you that the specified file/folder has been deleted.
Once file(s) and folder(s) are deleted, you can open Trash folder and check if the file is still residing there or not. It works on Mac 10.6 and is currently free from the Mac OS X App Store!