When you use a Powershell Script to work on SharePoint List items or Files you can do a lot of things. One of those things for example is deleting items which are not needed anymore. Therefore you can use a Powershell function like
This means that the list item or file will be deleted permanently. It will not be in the SharePoint recycle bin and not in the secondary recycle bin. It is lost forever if you not have it in one of your backups.
So what if, if you would like to delete it, but put it into the recycle bin? Therefore you should not use the delete() function. In this case you should use the following
This will put the item into the secondary recycle bin SharePoint offers. You can reach this one if you click on site settings and then below Site Collection Administration the link to the recycle bin
Normally this recycle bin will be emptied after a certain period which can be configured in the central administration.
One of my questions is now – Can we put those files also into the first recycle bin for the enduser? If you know it, please let me know.
In this post there is a little explaination based on SharePoint 2007.