This page applies to Harlequin v13.1r0 and later; both Harlequin Core and Harlequin MultiRIP
CheckType takes the name of a file and returns a literal name object describing the type of the file, for example: /PS or /PDF . See the description of ExecFile for more details of file types included.
(File.prn) /HqnControl /ProcSet findresource /CheckType get exec
Note: Any unrecognized file is reported as /PS .