How to change prefix 'Copy of' into a postfix

[abr]

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Manipulate naming "Copy of <fn>" to "<fn> - Copy of"

When I want to make a spare copy of a file, I select a file and press copy, directly followed by paste. Now a copy of the file is made in the current dir and named "Copy of ". I'd like it to be " - copy of", like Windows7 does nowadays. It keeps t…