[X-Unix] Standard Protocol Equivalent for Terminal "open" Command??

[Rick Gordon]

[Cross-posted to the OS X for Users list, but with no response to date]

Is there any standard (or easily distributable) protocol (syntactically like http, file, ftp, etc.) that can be prefixed to a POSIX path that can duplicate a Terminal "open" command? So that (assuming that the protocol was "open"):

open:///Library/Application%20Support would open the global Application Support folder in the Finder, or
open:///Applications/Utilities/Disk%20Utility.app would launch the Disk Utility application, or
reveal:///Applications/Utilities/Disk%20Utility.app would reveal the Disk Utility application in the Finder?

Some thing like that would be a boon for technical support emails requiring an unsophisticated user to easily access a file or folder, without having to laboriously explain the file path.
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RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
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WWW:   http://www.shelterpub.com