An OpenVMS XPG4 localization utility that merges one or more
   message text source files into a message catalog file.

   For more information on the XPG4 utilities, including file
   formats, see the VSI C Run-Time Library Reference Manual.
   Also see help for the related commands ICONV and LOCALE.

   Format:

        GENCAT msgfile[,...] catfile

1  –  Parameters

   msgfile

     The file specification of a message text source file.  The
     default file type for a message text source file is .MSGX.

   catfile

     The file specification of the message catalog file to be
     created.  If the catfile already exists, a new version is
     created that includes the messages in the existing catalog.  The
     default file type for a message catalog file is .CAT.