objc:ns-error-description

(objc:ns-error-description condition)

The localizedDescription of the NSError an objc:ns-error carries, a string in the user's language. A reader of a condition of the macOS-only objc package; see the macOS GUI guide.

MY-APP> (defvar *e* (handler-case (invoke-with-error (invoke "NSFileManager" "defaultManager")
                                                     "attributesOfItemAtPath:error:" "/no/such/file")
                      (ns-error (e) e)))
*E*
MY-APP> (ns-error-description *e*)
"The file “file” couldn’t be opened because there is no such file."