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Alain Reguera Delgado |
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#!/bin/bash
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Alain Reguera Delgado |
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######################################################################
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# cli.sh -- This function initiates the centos-art.sh script
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Alain Reguera Delgado |
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# command-line interface. This is the first script the centos-art.sh
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Alain Reguera Delgado |
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# runs, onces it has been executed in a terminal.
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# Written by:
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Alain Reguera Delgado |
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# * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013
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Alain Reguera Delgado |
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# Key fingerprint = D67D 0F82 4CBD 90BC 6421 DF28 7CCE 757C 17CA 3951
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# Copyright (C) 2009-2013 The CentOS Project
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# This program is free software; you can redistribute it and/or modify
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Alain Reguera Delgado |
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# it under the terms of the GNU General Public License as published by
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Alain Reguera Delgado |
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# the Free Software Foundation; either version 2 of the License, or (at
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Alain Reguera Delgado |
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# your option) any later version.
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# This program is distributed in the hope that it will be useful, but
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Alain Reguera Delgado |
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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Alain Reguera Delgado |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Alain Reguera Delgado |
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# General Public License for more details.
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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# You should have received a copy of the GNU General Public License
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Alain Reguera Delgado |
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# along with this program; if not, write to the Free Software
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Alain Reguera Delgado |
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Alain Reguera Delgado |
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#
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Alain Reguera Delgado |
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######################################################################
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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function cli {
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Initialize command-line interface default configuration values.
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Alain Reguera Delgado |
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if [[ -f ${TCAR_CLI_INIT_DIR}/cli.conf ]];then
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Alain Reguera Delgado |
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. ${TCAR_CLI_INIT_DIR}/cli.conf
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Alain Reguera Delgado |
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fi
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Initialize list of common functionalities to load.
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Alain Reguera Delgado |
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for CLI_FUNCTION in $(ls ${TCAR_CLI_INIT_DIR}/Scripts/*.sh);do
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Alain Reguera Delgado |
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if [[ -x ${CLI_FUNCTION} ]];then
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Alain Reguera Delgado |
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. ${CLI_FUNCTION}
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Alain Reguera Delgado |
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export -f $(grep '^function ' ${CLI_FUNCTION} | cut -d' ' -f2)
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Alain Reguera Delgado |
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else
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echo "${CLI_FUNCTION} `gettext "has not execution rights."`"
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Alain Reguera Delgado |
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fi
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done
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Alain Reguera Delgado |
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# Trap signals in order to terminate the script execution
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Alain Reguera Delgado |
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# correctly (e.g., removing all temporal files before leaving).
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Alain Reguera Delgado |
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# Trapping the exit signal seems to be enough by now, since it is
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Alain Reguera Delgado |
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# always present as part of the script execution flow. Each time
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Alain Reguera Delgado |
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# the centos-art.sh script is executed it will inevitably end with
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Alain Reguera Delgado |
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# an EXIT signal at some point of its execution, even if it is
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Alain Reguera Delgado |
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# interrupted in the middle of its execution (e.g., through
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Alain Reguera Delgado |
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# `Ctrl+C').
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Alain Reguera Delgado |
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trap cli_terminateScriptExecution 0
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Redefine arguments using current positional parameters.
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Alain Reguera Delgado |
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cli_setArguments "${@}"
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Redefine positional parameters using arguments variable.
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Alain Reguera Delgado |
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eval set -- "${TCAR_MODULE_ARGUMENTS}"
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Check the number of arguments passed in the command-line
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Alain Reguera Delgado |
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# interface. The first argument must be the name of the module
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Alain Reguera Delgado |
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# you want to execute. So at least one argument must be provided
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Alain Reguera Delgado |
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# in the command-line.
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Alain Reguera Delgado |
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if [[ $# -lt 1 ]];then
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cli_printHelp ${TCAR_CLI_NAME}
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else
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# Check module's name. The module's name is critical for
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# centos-art.sh script to do something coherent. If it is not
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# provided or provided incorrectly, finish the script
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Alain Reguera Delgado |
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# execution with help information.
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Alain Reguera Delgado |
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if [[ ! "${1}" =~ '^[[:alpha:]]+$' ]];then
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Alain Reguera Delgado |
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cli_printHelp ${TCAR_CLI_NAME}-cli
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fi
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Alain Reguera Delgado |
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fi
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Define function name (MODULE_INIT_NAME) using the first argument
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Alain Reguera Delgado |
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# in the command-line.
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local MODULE_INIT_NAME=$(cli_getRepoName ${1} -f | cut -d '-' -f1)
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Define function directory.
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Alain Reguera Delgado |
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local MODULE_INIT_DIR=${TCAR_CLI_BASEDIR}/Modules/${TCAR_CLI_NAME}-${MODULE_INIT_NAME}
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Define function file name.
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Alain Reguera Delgado |
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local MODULE_INIT_FILE=${MODULE_INIT_DIR}/${MODULE_INIT_NAME}.sh
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Check function script execution rights.
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Alain Reguera Delgado |
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cli_checkFiles -x ${MODULE_INIT_FILE}
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Remove the first argument passed to centos-art.sh command-line
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Alain Reguera Delgado |
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# in order to build optional arguments inside functionalities. We
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Alain Reguera Delgado |
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# start counting from second argument (inclusive) on.
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Alain Reguera Delgado |
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shift 1
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Define default text editors used by centos-art.sh script.
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Alain Reguera Delgado |
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if [[ ! "${TCAR_USER_EDITOR}" =~ '/usr/bin/(vim|emacs|nano)' ]];then
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Alain Reguera Delgado |
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TCAR_USER_EDITOR='/usr/bin/vim'
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Alain Reguera Delgado |
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fi
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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# Check text editor execution rights.
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Alain Reguera Delgado |
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cli_checkFiles -x ${TCAR_USER_EDITOR}
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# Go for function initialization. Keep the cli_exportFunctions
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# function calling after all variables and arguments definitions.
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Alain Reguera Delgado |
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cli_exportFunctions "${MODULE_INIT_FILE}"
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# Execute function.
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Alain Reguera Delgado |
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${MODULE_INIT_NAME} "${@}"
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Alain Reguera Delgado |
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Alain Reguera Delgado |
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}
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