Changing multiple file permissions

I have a corrupted user in Leopard.
So I am copying all the files I need over to a new user.
Both are administrators.
Can I take a whole folder (Docs) and tell it to change all the files in Docs to give me read/write permissions or do I have to do each one separately?

Should be fine. First open a Get Info panel for the folder in question, and see if there are any "custom" permissions set on it. If not, you are good to go. If yes, it is a good indication that ACLs are set on that folder, and you should go carefully from there.
ACLs are a special system of file/folder permissions that overrides the regular UNIX permissions. They were first introduced in Tiger as a user-enabled option, but Leopard was the first OS X to make use of them extensively by the System.
A "deny delete" ACL setting is put on many system-created folders, like your home folder, your Documents folder, etc. This is to prevent accidental renaming or deletion of them. If you try to trash your Documents folder, you can, but you will be prompted to enter an admin password.
Clicking the "apply to enclosed items" button on one's Documents folder will set the "deny delete" ACL to all of its contents, meaning you will need to enter an admin password to subsequently delete anything inside.

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