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#!/bin/bash
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#
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# cli_getConfigValue.sh -- This function retrives configuration values
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# from configuration files. As arguments, the configuration file
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# absolute path, the configuration section name, and the configuration
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# variable name must be provided.
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#
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# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function cli_getConfigValue {
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# Initialize absolute path to configuration file.
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local CONFIG_ABSPATH="$1"
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# Initialize configuration section name where the variable value
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# we want to to retrive is set in.
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local CONFIG_SECTION="$2"
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# Initialize variable name we want to retrive value from.
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local CONFIG_VARNAME="$3"
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# Retrive configuration lines from configuration file.
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local CONFIG_LINES=$(cli_getConfigLines \
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"$CONFIG_ABSPATH" "$CONFIG_SECTION" "$CONFIG_VARNAME")
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# Parse configuration lines to retrive the values of variable
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# names.
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local CONFIG_VARVALUE=$(echo $CONFIG_LINES \
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| cut -d'=' -f2- \
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| sed -r 's/^"(.*)"$/\1/')
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# Output values related to variable name.
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echo "$CONFIG_VARVALUE"
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}
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