#!/bin/bash
#
# cli_getConfigSectionNames.sh -- This function standardizes the way
# section names are retrieved from configuration files. Once section
# names are retrieved they are printed to standard output for further
# processing.
#
# Copyright (C) 2009-2013 The CentOS Project
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# ----------------------------------------------------------------------
# $Id$
# ----------------------------------------------------------------------

function cli_getConfigSectionNames {

    # Define absolute path to configuration file we want to retrieve
    # section names from. 
    local CONF_FILE=$1

    # Verify existence of configuration file.
    cli_checkFiles $CONF_FILE -f

    # Output all section names without brackets, one per line.
    egrep '^\[[[:alnum:]._-]+\][[:space:]]*$' $CONF_FILE \
        | sed -r 's/\[(.+)\]/\1/'

}