DragonFly On-Line Manual Pages

cl_application(1)      DragonFly General Commands Manual     cl_application(1)

       Authors: Enrique Marcote Pena (enrique.marcote@erlang-consulting.com)

MODULE
       cl_application

DESCRIPTION
       Some wrappers for the standard application(3) module.

EXPORTS
       Exported functions.

   get_env(Application, Key) -> Val
   get_env(Application, Key, Fun) -> Val
       Types

       Key = atom()

       Val = term()

       Fun = fun/1 -> bool()

       Returns the value of the configuration parameter Key for Application.

       If the specified application is not loaded, or the configuration
       parameter does not exist the function throws the exception {undefined,
       Key}.  If a validation Fun is provided evaluating Fun(Val) must return
       true, otherwise the exception {invalid, {Key, Val}} is thrown.

   get_env_opt(Application, Key) -> Val
   get_env_opt(Application, Key, Fun) -> Val
       Types

       Key = atom()

       Val = term()

       Fun = fun/1 -> bool()

       Same that get_env/2 and get_env/3 but instead of throwing an exception
       if the parameter does not exit, the atom undefined is returned.

SEE ALSO
       common_lib(1)

common_lib                      Version: 3.3.4               cl_application(1)