DOCUMENTATION

SYNOPSIS

PERL PROGRAM NAME: System_Variables_config.pl 
AUTHOR: Juan Lorenzo
DATE: July 29 2016 
DESCRIPTION Combines configuration variables
    both from a simple text file and from
    from additional packages.

USED FOR 
     Upper-level variable
     definitions in iTop_Mute3 
     Seismic data is assumed currently to be in
     su format.

BASED ON:
Version 1  Based on linux command "cat"
Version 2 based on Sucat.pm June 29 2016
   Added a simple configuration file readable 
   and writable using Config::Simple (CPAN)

Oct. 19 2016    
Version 2.1 Includes option for multiple users in every directory 
  
Needs: Simple (ASCII) local configuration 
     file is Project_Variables.config

Notes

Simple reads configuration file and
cretes a hash with parameters (keys/names) and
their values as assigned inside the configuration
file

anonymous hash array reference $CFG class: cfg method: param returns: value

contains all the configuration variables in
perl script

  HOME                ='/home/gom';
  PROJECT_HOME		= '/FalseRiver';;
  site			= 'Bueche';
  spare_dir		= '';
  date			= '051216';
  component		= 'H';
  line			= '1';
  subUser		= 'gom';

 print("home is $CFG[2]\n\n");