^.
^<^|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;^|
;                                                         ;^|
;       ZEX file to copy from source to destination       ;^|
;       if the destination file does not exist or if      ;^|
;       the destination file is different than the        ;^|
;       source file.                                      ;^|
;                                                         ;^|
;       Syntax:                                           ;^|
;         COPIF du:source du:destination                  ;^|
;                                                         ;^|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;^|
^>
^#
^&
COMP $1 $2 /T ;note compare source to destination with test only option^|
if 9 1 ;note If source not found^|
  ECHO --           $1 NOT FOUND^|
else^|
  if 9 2 ;note If destination not found^|
    ECHO --       DESTINATION FILE does not exist, copying $1 to DESTINATION^|
    CPY $2=$1^|
  else^|
    if 9 3 ;note If a difference was found^|
      ECHO --           Files are different, updating $2 with $1^|
      CPY $2=$1^|
    else^|
      ECHO --                  Files are the same, update not required.^|
    fi    ;note if 9 3^|
  fi    ;note if 9 2^|
fi    ;note if 9 1^|
^#