Blame Functions/cli_printActionPreamble.sh

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#!/bin/bash
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#
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# cli_printActionPreamble -- This function standardizes action
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# preamble messages. Action preamble messages provides a confirmation
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# message that illustrate what files will be affected in the action.
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#
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# Generally, actions are applied to parent directories. Each parent
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# directory has parallel directories associated. If one parent
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# directory is created/deleted, the parallel directories associated do
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# need to be created/deleted too.
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#
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# Copyright (C) 2009-2011 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_printActionPreamble {
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    local FILES="$1"
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    # Verify amount of files to process. If there is no one then there
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    # is nothing else to do here.
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    if [[ "$FILES" == '' ]];then
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        return
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    fi
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    local ACTION="$2"
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    local FORMAT="$3"
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    local FILE=''
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    local NEGATIVE=''
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    local POSITIVE=''
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    local COUNT=0
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    # Replace spaces by new line.
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    FILES=$(echo "$FILES" | sed -r "s! +!\n!g")
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    # Redefine total number of directories.
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    COUNT=$(echo "$FILES" | wc -l)
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    # Redefine preamble messages based on action. At this point seems
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    # to be some files to process so lets read ACTION to know what to
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    # do with them.
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    case $ACTION in
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        'doCreate' )
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            if [[ $FILES == '' ]];then
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                NEGATIVE="`gettext "There is no entry to create."`"
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            else
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                POSITIVE="`ngettext "The following entry will be created" \
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                    "The following entries will be created" $COUNT`:"
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            fi
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            ;;
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        'doDelete' )
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            if [[ $FILES == '' ]];then
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                NEGATIVE="`gettext "There is no file to delete."`"
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            else
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                POSITIVE="`ngettext "The following entry will be deleted" \
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                    "The following entries will be deleted" $COUNT`:"
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            fi
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            ;;
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        'doLocale' )
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            if [[ $FILES == '' ]];then
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                NEGATIVE="`gettext "There is no file to locale."`"
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            else
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                POSITIVE="`ngettext "Translatable strings will be retrived from the following entry" \
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                    "Translatable strings will be retrived from the following entries" $COUNT`:"
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            fi
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            ;;
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        'doEdit' )
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            if [[ $FILES == '' ]];then
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                NEGATIVE="`gettext "There is no file to edit."`"
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            else
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                POSITIVE="`ngettext "The following file will be edited" \
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                    "The following files will be edited" $COUNT`:"
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            fi
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            ;;
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        * )
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            # Check list of files to process.  If we have an empty
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            # list of files, inform about that and stop the script
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            # execution.  Otherwise, check all files in the list to be
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            # sure they are regular files.
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            if [[ "$FILES" == '' ]];then
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                NEGATIVE="`gettext "There is no file to process."`"
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            fi
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            ;;
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    esac
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    # Print preamble message.
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    if [[ $POSITIVE != '' ]] &&  [[ $NEGATIVE == '' ]];then
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        cli_printMessage "$POSITIVE"
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        for FILE in $FILES;do
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            cli_printMessage "$FILE" "$FORMAT"
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        done
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        cli_printMessage "`gettext "Do you want to continue"`" 'AsYesOrNoRequestLine'
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    elif [[ $POSITIVE == '' ]] &&  [[ $NEGATIVE != '' ]];then
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        cli_printMessage "$NEGATIVE" 'AsErrorLine'
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        cli_printMessage "$(caller)" 'AsToKnowMoreLine'
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    fi
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}