#!/bin/bash

#

# cli_getFilesList.sh -- This function defines the list of FILES to

# process.

#

# Copyright (C) 2009-2011 Alain Reguera Delgado

# 

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License as

# published by the Free Software Foundation; either version 2 of the

# License, or (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function cli_getFilesList {

    local LOCATION=''

    # If first argument is provided to cli_getFilesList, use it as

    # default location. Otherwise, if first argument is not provided,

    # location takes the action value (ACTIONVAL) as default.

    if [[ "$1" != '' ]];then

        LOCATION="$1"

    else

        LOCATION="$ACTIONVAL"

    fi

    # Define regular expression (FLAG_FILTER) local variable, using regular

    # expression (FLAG_FILTER) global variable, to reduce the amount of

    # characters we type in order to match find's output. When using

    # regular expression with find, in order to reduce the amount

    # files found, the regular expression is evaluated against the

    # whole file path. This way, when the regular expression is

    # specified, we need to build it in a way that matches the whole

    # path. Doing so each time we pass a `--filter' command-line

    # argument may be a tedious task, so, in the sake of reducing some

    # typing, we prepare the regular expression here to match the

    # whole path using the regular expression provided by the user as

    # pattern.

    local FLAG_FILTER="^${LOCATION}/${FLAG_FILTER}$"

    # Define list of files to process.

    if [[ -d $LOCATION ]];then

        FILES=$(find $LOCATION -regextype posix-egrep -type f -regex "${FLAG_FILTER}" | sort)

    elif [[ -f $LOCATION ]];then

        FILES=$LOCATION

    fi

    # Check list of files to process. If we have an empty list of

    # files, inform about it and stop script execution.

    if [[ $FILES == '' ]];then

        cli_printMessage "`gettext "There is no file to process."`" 'AsErrorLine'

        cli_printMessage "$(caller)" 'AsToKnowMoreLine'

    fi

}