NAME: barrel_read_config DESCRIPTION: Reads the barrel_config file REQUIRED INPUTS: none (filename is hardcoded, 'barrel_config.txt', and is put in a folder given by the routine 'barrel_config_filedir', that uses the IDL routine app_user_dir to create/obtain it: e.g. (MacOS X) /Users/username/.idl/themis/barrel_config-4_darwin KEYWORD ARGUMENTS (OPTIONAL): none OUTPUT: cstruct = a structure with the changeable fields of the !BARREL structure STATUS: TO BE ADDED: n/a EXAMPLE: REVISION HISTORY: Version 0.90a KBY 04/19/2013 no changes (note that '/' functions as univeral PATH_SEP) Version 0.85 KBY 12/09/2012 fixed trailing character bug (Windows only) Version 0.84 KBY 12/04/2012 added header Version 0.83 KBY 12/04/2012 initial beta release Version 0.80 KBY 10/29/2012 from 'goesmag/goes_read_config.pro' by JWL(?)