service to open </path/to/filename>

hello
i'm sure the answer is out there but i've been unable to find it.

i want to make a service using applescript/automator so that when i control click on a text selection in whatever programme it opens the file with the default application and gives me a can't find file dialogue if it can't find the file.

so say this is the selected text
file:///Volumes/filelibrary/testfile.pdf
i want to be able to control click on that text and have a service open the file in preview...

any help much appreciated!

 

thank you so much. that is useful... but i was looking to create a service in automator that would act on a text selection.

so say the text selection is file:///Users/testuser/Desktop/testimage.png
i want to be able to control click on that selection and have it open that file.

so i know how to make a service in automator but (and i guess this is a real newbie question...) how do i pass the selected text to a script so that it opens that file when i control click??