Rebol Programming/exists?
USAGE:
editEXISTS? target
DESCRIPTION:
editDetermines if a file or URL exists.
EXISTS? is a function value.
ARGUMENTS
edit- target -- (Type: file url)
SOURCE CODE
editexists?: func [ "Determines if a file or URL exists." target [file! url!] /local ret ][ either error? try [ target: make port! target query target ] [false] [found? target/status] ]