Syntax:
CACHED([option])
The returns information about any previous cached command. If 'option' is omitted or begins with the character 'N' (either case) then this returns '1' if a cached FILE command was executed for the current request before the filter was invoked, or '0' otherwise.
If 'option' begins with the character 'R' (either case) then this returns the returncode from the cached command that was executed, or zero if none was executed (cached()=0). For example:
say cached() cached('rc')
might display "1 31" if the cached command failed to find the file.
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From 'goserve.doc', version 2.52.
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