Rebol Programming/exists-thru?

= USAGE: = EXISTS-THRU? url /check info

= DESCRIPTION: = Checks if a file is in the disk cache. Returns: none, false (out of date), or file

EXISTS-THRU? is a function value. = ARGUMENTS =
 * url -- (Type: url file)

= REFINEMENTS =
 * /check -- Checks version, checksum/secure, date, and/or size of cached file.
 * info -- (Type: block tuple binary logic date none)

= SOURCE CODE = exists-thru?: func [ {Checks if a file is in the disk cache. Returns: none, false (out of date), or file} url [url! file!] /check {Checks version, checksum/secure, date, and/or size of cached file.} info [block! tuple! binary! logic! date! none!] /local file data date ]