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dtdtfile (4)
  • >> dtdtfile (4) ( Solaris man: Специальные файлы /dev/* )
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    NAME
         dtdtfile - define the format and  location  of  actions  and
         data type database files
    
    SYNOPSIS
         See dtactionfile(4) and dtdtsfile(4).
    
    DESCRIPTION
         The actions and data types database provides definitions for
         the  actions  and  data  types CDE clients recognize.  Files
         containing actions and data type definitions must  end  with
         the  .dt suffix.  The database is constructed by reading all
         files ending in the .dt suffix that are found in the  search
         path specified by the DTDATABASESEARCHPATH environment vari-
         able.
    
         The dttypes(1) utility is the  tool  that  allows  users  to
         examine and debug their database.
    
         The DTDATABASESEARCHPATH  environment  variable  contains  a
         comma-separated    list    of   directories   specified   in
         [host:]/path format.  The host:  portion is optional, but if
         specified,  /path is interpreted relative to host.  In addi-
         tion, host defines the DatabaseHost for records  defined  by
         files  in  the /path directory.  Otherwise, the DatabaseHost
         is the same as the LocalHost.  To allow for localized action
         definitions,  the  data base search path supports the string
         %L within the pathname string.  The logic that parses  DTDA-
         TABASESEARCHPATH substitutes the value of the current locale
         as stored in the LANG environment variable for the string %L
         (or  no  characters  if  LANG  is not set).  Other uses of %
         within the DTDATABASESEARCHPATH pathnames  produce  unspeci-
         fied  results.   Directories  can  be  set  up  for  various
         locales.  Each directory contains localized  action  defini-
         tions  for  a  single locale.  For examples, see the default
         search path shown below.  The local system administrator  or
         the  user  (in $HOME/.dtprofile) can modify the actual value
         of the search path.  The default search  path  includes  the
         following directories, searched in the following sequence:
    
            $HOME/.dt/types/
                  personal user-defined database files
    
            /etc/dt/appconfig/types/%L
                  locally defined language-specific database files
    
            /etc/dt/appconfig/types/C
                  locally defined default database files
    
            /usr/dt/appconfig/types/%L
                  language-specific database files
    
            /usr/dt/appconfig/types/C
                  implementation-default database files
    
      File Format
         In addition to the version information, comments  and  vari-
         able references described under other headings in this docu-
         ment, these files may contain action and data type  records,
         as described in dtactionfile(4) and dtdtsfile(4).
    
      Comments
         Any line whose first non-space character is # is treated  as
         a  comment  line,  and  is ignored during the reading of the
         database file.
    
      Database Version
         The database loader supports a version number,  which  indi-
         cates  the version of the database syntax used by a particu-
         lar database file.  If a  database  version  number  is  not
         specified,  then  the  database loader assumes that the file
         uses the version 1.0 syntax, described here.  If a  database
         file  specifies  a version number, then it must be the first
         non-blank, non-comment line in the  database  file;  if  the
         version  is  specified  anywhere  else  in the file, then an
         error message is generated, and the remainder of that  data-
         base file is ignored.  The database version number is speci-
         fied using the following syntax:
    
              set DtDbVersion=version_number
    
      String Variables
         Database entries can reference string variables that can  be
         set  within  the database file.  The scope of a string vari-
         able is restricted to only those record  definitions  within
         the  database  file  defining the string variable.  A string
         variable is defined using the following syntax:
    
              set VariableName=variable_value
    
         String variables are referenced using either of the standard
         shell  variable  referencing  syntaxes:   $variable_name  or
         ${variable_name}.  A variable name can be made up of any  of
         the alphanumeric characters and the underscore.
    
      Environment Variables
         Database records may refer to environment  variables,  using
         either  of the standard shell variable referencing syntaxes:
         $environment_variable or  ${environment_variable}.   If  the
         environment  variable  name conflicts with a string variable
         name, the string variable takes precedence.
    
      Line Continuation
         Any field within a record can be continued onto another line
         by  ending  the  line  with  a  \  character.  The \ and any
         <blank>s following the \ and preceding the newline are  dis-
         carded; leading <blank>s on the following line are preserved
         in the continued field.
    
    SEE ALSO
         dtactionfile(4), dtdtsfile(4), dttypes(1).
    
    
    
    


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