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#!/bin/bash
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#
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# render_doIdentityImageDm.sh -- This function standardize the way of
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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# retrive action values from pre-rendering configuration files. Use
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# this function whenever you need to retrive action values from
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# pre-rendering configuration script.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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#
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# Usage:
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#
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# VAR=$(render_getConfOption "ACTION" "FIELD")
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#
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# Where:
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#
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# VAR is the name of the variable you want to store the option
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# value retrived from your specification, using
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# render_getConfOption's ACTION and FIELD arguments. If there is
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# no variable assignment, the function outputs the action value
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# to standard output without trailing newline.
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#
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# ACTION is the string definition set in the pre-rendering
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# configuration script holding the action name and its options
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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# fields.
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#
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# FIELD is field number in the action string you want to
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# retrive option from. By default options start from third field
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# on. The first field is reserved for the action type (i.e.,
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# BASE, POST, LAST), and the second field is reserved for the
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# action itself (e.g., renderImage, renderFormats, etc.). Note
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# that this convenction can be altered if the action string has
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# been modified (e.g., you stript the BASE field from action
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# string) and passed the modified action string to another
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# function for processing.
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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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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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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 render_getConfOption {
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local ACTION="$1"
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local FIELD="$2"
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local VALUE=''
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# Check action value. The action's value must be present in order
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# for this function to work. It provides the string needed to
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# retrive options from.
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if [[ "$ACTION" == '' ]];then
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cli_printMessage "`gettext "There is no action to work with."`"
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cli_printMessage "$(caller)" 'AsToKnowMoreLine'
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fi
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# Check field value. The field's value must match the cut's
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# command specification of its -f option.
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if [[ ! "$FIELD" =~ '^([0-9]+|[0-9]+-|-[0-9]+|[0-9]+-[0-9]+)$' ]];then
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cli_printMessage "`gettext "The field specified is not valid."`"
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cli_printMessage "$(caller)" 'AsToKnowMoreLine'
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fi
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# Get option from pre-rendering configuration action definition.
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VALUE=$(echo -n "$ACTION" | cut -d: -f${FIELD})
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# Sanitate action value passed from pre-rendering configuration
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# action definition.
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VALUE=$(echo -n "${VALUE}" \
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| sed -r 's!^ *!!g' \
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| sed -r 's!( |,|;) *! !g' \
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| sed -r 's! *$!!g')
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# Output action value without trailing newline.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
eb0e14 |
echo -n "$VALUE"
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
eb0e14 |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
eb0e14 |
}
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