1 GENCATAn 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 DEC C Run-Time Library Utilities Reference Manual. Also see help for the related commands ICONV and LOCALE. Format: GENCAT msgfile[,...] catfile 2 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.