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#!/bin/bash
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#
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# cli_getCurrentLocale.sh -- This function checks LANG environment
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# variable and returns the current locale from more specific to less
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# specific. For example, if the locale 'en_GB' is the current one, it
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# should be used instead of just 'en'.
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#
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# Copyright (C) 2009-2010 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: cli_getCurrentLocale.sh 79 2010-09-18 06:17:44Z al $
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# ----------------------------------------------------------------------
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function cli_getCurrentLocale {
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local -a PATTERNS
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local PATTERN=''
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local CURRENTLOCALE=''
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# Define pattern for current locale using LL_CC.ENCODING format.
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PATTERNS[0]=$LANG
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# Define pattern for current locale using LL_CC format.
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PATTERNS[1]=$(echo $LANG | sed -r 's!(^[a-z]{2,3}_[A-Z]{2}).+$!\1!')
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# Define pattern for current locale using LL format.
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PATTERNS[2]=$(echo $LANG | sed -r 's!^([a-z]{2,3}).+$!\1!')
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# Define which system locale to use as centos-art.sh script
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# current locale. Take care with pattern order, it is relevant for
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# this function to work as expected.
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for PATTERN in "${PATTERNS[@]}";do
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CURRENTLOCALE=$(cli_getLocales | egrep $PATTERN)
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if [[ $CURRENTLOCALE != '' ]];then
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break
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fi
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done
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# Define centos-art.sh script default current locale. If
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# centos-art.sh script doesn't support current system locale, use
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# English (en) as default current locale.
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if [[ $CURRENTLOCALE == '' ]];then
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CURRENTLOCALE='en'
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fi
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# Output current locale. Be sure that just one value is output.
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echo $CURRENTLOCALE | sort | uniq | head -n1
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}
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