Blame Scripts/Bash/Functions/cli_getFilesList.sh

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#!/bin/bash
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#
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# cli_getFilesList.sh -- This function defines the list of FILES to
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# process.
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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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# $Id$
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# ----------------------------------------------------------------------
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function cli_getFilesList {
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    local LOCATION=''
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    # If first argument is provided to cli_getFilesList, use it as
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    # default location. Otherwise, if first argument is not provided,
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    # location takes the action value (ACTIONVAL) as default.
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    if [[ "$1" != '' ]];then
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        LOCATION="$1"
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    else
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        LOCATION="$ACTIONVAL"
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    fi
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    # Define regular expression (REGEX) local variable, using regular
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    # expression (REGEX) global variable, to reduce the amount of
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    # characters we type in order to match find's output. When using
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    # regular expression with find, in order to reduce the amount
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    # files found, the regular expression is evaluated against the
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    # whole file path. This way, when the regular expression is
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    # specified, we need to build it in a way that matches the whole
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    # path. Doing so each time we pass a `--filter' command-line
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    # argument may be a tedious task, so, in the sake of reducing some
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    # typing, we prepare the regular expression here to match the
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    # whole path using the regular expression provided by the user as
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    # pattern.
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    local REGEX="^${LOCATION}/${REGEX}$"
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    # Define list of files to process.
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    if [[ -d $LOCATION ]];then
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        FILES=$(find $LOCATION -regextype posix-egrep -type f -regex "${REGEX}" | sort)
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    elif [[ -f $LOCATION ]];then
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        FILES=$LOCATION
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    fi
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    # Check list of files to process. If we have an empty list of
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    # files, inform about it and stop script execution.
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    if [[ $FILES == '' ]];then
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        cli_printMessage "`gettext "No file found."`" 'AsErrorLine'
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        cli_printMessage "$(caller)" 'AsToKnowMoreLine'
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    fi
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}