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#!/bin/bash
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#
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# help_searchIndex.sh -- This function does an index search inside the
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# info document.
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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 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
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# (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: help_searchIndex.sh 98 2010-09-19 16:01:53Z al $
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# ----------------------------------------------------------------------
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function help_searchIndex {
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# Define search pattern format
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local PATTERN='^[[:alnum:],]+$'
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# Re-define default REGEX value. If the regular expression was not
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# provided in the third argument its value is set to '.+' which is
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# not very useful in info --index-search contest. So, re-define
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# this value to an empty value ('').
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if [[ ! $REGEX =~ $PATTERN ]];then
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cli_printMessage "`gettext "Enter the search pattern:"` " "AsRequestLine"
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read REGEX
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fi
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# Validate search pattern. In this (help_searchIndex) function
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# contest, the REGEX variable is used as info search pattern, not
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# a regular expression pattern.
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if [[ ! "$REGEX" =~ $PATTERN ]];then
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cli_printMessage "`gettext "The search pattern is not valid."`"
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cli_printMessage "$(caller)" "AsToKnowMoreLine"
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fi
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# There is no need to check the entry inside documentation
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# structure here. Just provide a word to look if there is any
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# index matching in the info document.
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/usr/bin/info --index-search="$REGEX" --file=${MANUALS_FILE[4]}
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}
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