Blame Functions/Prepare/prepare_doEnvironment.sh

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#!/bin/bash
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#
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# prepare_doEnvironment.sh -- This function outputs a brief description
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# of environment variables used by `centos-art.sh' script.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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# 
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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# 
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function prepare_doEnvironment {
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    # Verify `--packages' option.
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    if [[ $FLAG_ENVIRONMENT == 'false' ]];then
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        return
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    fi
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    # Print line separator.
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    cli_printMessage '-' 'AsSeparatorLine'
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    # Print action message.
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    cli_printMessage "`gettext "Checking environment variables"`" 'AsResponseLine'
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    # Print line separator.
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    cli_printMessage '-' 'AsSeparatorLine'
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    local -a VARS
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    local -a INFO
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    local COUNT=0
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    # Define name of environment variables used by centos-art.sh
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    # script.
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    VARS[0]='EDITOR'
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    VARS[1]='TZ'
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    VARS[2]='TEXTDOMAIN'
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    VARS[3]='TEXTDOMAINDIR'
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    VARS[4]='LANG'
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    # Define description of environment variables.
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    INFO[0]="`gettext "Default text editor"`"
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    INFO[1]="`gettext "Default time zone representation"`"
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    INFO[2]="`gettext "Default domain used to retrieve translated messages"`"
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    INFO[3]="`gettext "Default directory used to retrive translated messages"`"
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    INFO[4]="`gettext "Default locale information"`"
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    until [[ $COUNT -eq ${#VARS[*]} ]];do
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        # Let user to reduce output using regular expression as
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        # reference.
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        if [[ ${VARS[$COUNT]} =~ $FLAG_FILTER ]];then
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            # Output list of environment variables using indirect
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            # expansion (what a beautiful feature!) to output variable
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            # value.
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            cli_printMessage "${INFO[$COUNT]}:"
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            cli_printMessage "${VARS[$COUNT]}=${!VARS[$COUNT]}" 'AsResponseLine'
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        fi
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        # Increment counter.
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        COUNT=$(($COUNT + 1))
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    done
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}