From 00d8d0cf67b55c13a8b3b3d63eac1e30d4ac1cec Mon Sep 17 00:00:00 2001
From: Alain Reguera Delgado <alain.reguera@gmail.com>
Date: Jul 22 2011 18:36:29 +0000
Subject: Add `cli_getConfigLines.sh'.


---

diff --git a/Scripts/Functions/cli_getConfigLines.sh b/Scripts/Functions/cli_getConfigLines.sh
new file mode 100755
index 0000000..3e974b7
--- /dev/null
+++ b/Scripts/Functions/cli_getConfigLines.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+#
+# cli_getConfigLines.sh -- This function retrives configuration lines
+# form configuration files. As arguments, the configuration file
+# absolute path, the configuration section name, and the configuration
+# variable name must be provided.
+#
+# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG
+#
+# 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_getConfigLines {
+
+    # Initialize absolute path to configuration file.
+    local CONFIG_ABSPATH="$1"
+
+    # Verify absolute path to configuration file.
+    cli_checkFiles ${CONFIG_ABSPATH}
+
+    # Initialize configuration section name where the variable value
+    # we want to to retrive is set in.
+    local CONFIG_SECTION="$2"
+
+    # Verify configuration section name. Be sure it is one of the
+    # supported values.
+    if [[ ! $CONFIG_SECTION =~ '^(main|templates)$' ]];then
+        CONFIG_SECTION='main'
+    fi
+
+    # Initialize variable name we want to retrive value from.
+    local CONFIG_VARNAME="$3"
+
+    # Verify configuration variable name. When no variable name is
+    # provided print all configuration lines. Be sure configuration
+    # variable name starts just at the begining of the line.
+    if [[ ! $CONFIG_VARNAME =~ '^[[:alnum:]_/-\.]+$' ]];then
+        CONFIG_VARNAME='^[[:alnum:]_/-\.]+='
+    else
+        CONFIG_VARNAME="^${CONFIG_VARNAME}"
+    fi
+
+    # Retrive configuration lines from configuration file.
+    local CONFIG_LINES=$(cat ${MANUAL_CONFIG_FILE} \
+        | egrep -v '^#' \
+        | egrep -v '^[[:space:]]*$' \
+        | sed -r 's![[:space:]]*!!g' \
+        | sed -r -n "/^\[${CONFIG_SECTION}\]$/,/^\[/p" \
+        | egrep -v '^\[' | sort | uniq \
+        | egrep "${CONFIG_VARNAME}")
+
+    # Output value related to variable name.
+    echo "$CONFIG_LINES"
+
+}