Blame Scripts/Bash/Functions/Commons/cli_printMessage.sh

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#!/bin/bash
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#
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# cli_printMessage.sh -- This function standardizes the way messages
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# are printed by centos-art.sh script.
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#
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# Copyright (C) 2009-2013 The CentOS Project
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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 (at
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# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function cli_printMessage {
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    local MESSAGE="$1"
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    local FORMAT="$2"
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    # Verify message variable, it cannot have an empty value.
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    if [[ $MESSAGE == '' ]];then
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        cli_printMessage "`gettext "The message cannot be empty."`" --as-error-line
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    fi
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    # Define message horizontal width. This is the max number of
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    # horizontal characters the message will use to be displayed on
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    # the screen.
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    local MESSAGE_WIDTH=66
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    # Remove empty spaces from message.
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    MESSAGE=$(echo $MESSAGE | sed -r -e 's!^[[:space:]]+!!')
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    # Print messages that will always be printed no matter what value
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    # the FLAG_QUIET variable has.
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    case "$FORMAT" in
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        --as-stdout-line )
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            # Default printing format. This is the format used when no
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            # other specification is passed to this function. As
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            # convenience, we transform absolute paths into relative
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            # paths in order to free horizontal space on final output
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            # messages.
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            echo "$MESSAGE" | sed -r \
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                -e "s!${TCAR_WORKDIR}/!!g" \
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                -e "s!> /!> !g" \
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                -e "s!/{2,}!/!g" \
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                | awk 'BEGIN { FS=": " }
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                    { 
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                        if ( $0 ~ /^-+$/ )
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                            print $0
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                        else
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                            printf "%-15s\t%s\n", $1, $2
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                    }
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                    END {}'
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            ;;
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        --as-error-line )
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            # Define where the error was originated inside the
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            # centos-art.sh script. Print out the function name and
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            # line from the caller.
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            local ORIGIN="$(caller 1 | gawk '{ print $2 " L." $1 }')"
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            # Build the error message.
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            cli_printMessage "${CLI_NAME} (${ORIGIN}):" --as-stdout-line
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            cli_printMessage "${MESSAGE}" --as-response-line
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            cli_printMessage "${CLI_FUNCNAME}" --as-toknowmore-line
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            # Finish script execution with exit status 1 (SIGHUP) to
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            # imply the script finished because an error.  We are
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            # using this as convention to finish the script execution.
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            # So, don't remove the following line, please.
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            exit 1
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            ;;
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        --as-suggestion-line )
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            # Define where the error was originated inside the
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            # centos-art.sh script. Print out the function name and
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            # line from the caller.
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            local ORIGIN="$(caller 1 | gawk '{ print $2 " L." $1 }')"
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            # Build the error message.
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            cli_printMessage "${CLI_NAME} (${ORIGIN}):" --as-stdout-line
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            cli_printMessage "`gettext "The path provided cannot be processed the way you entered it."`" --as-stdout-line
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            cli_printMessage "`gettext "Instead, try the following equivalence:"`" --as-stdout-line
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            cli_printMessage "${MESSAGE}" --as-response-line
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            cli_printMessage "${CLI_FUNCNAME}" --as-toknowmore-line
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            # Finish script execution with exit status 1 (SIGHUP) to
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            # imply the script finished because an error.  We are
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            # using this as convention to finish the script execution.
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            # So, don't remove the following line, please.
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            exit 1
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            ;;
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        --as-toknowmore-line )
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            cli_printMessage '-' --as-separator-line
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            cli_printMessage "`gettext "To know more, run"` ${CLI_NAME} ${MESSAGE} --help" --as-stdout-line
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            cli_printMessage '-' --as-separator-line
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            ;;
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        --as-yesornorequest-line )
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            # Define positive answer.
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            local Y="`gettext "yes"`"
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            # Define negative answer.
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            local N="`gettext "no"`"
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            # Define default answer.
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            local ANSWER=${N}
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            if [[ $FLAG_ANSWER == 'true' ]];then
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                ANSWER=${Y}
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            else
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                # Print the question to standard error.
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                cli_printMessage "$MESSAGE [${Y}/${N}]" --as-request-line
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                # Redefine default answer based on user's input.
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                read ANSWER
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            fi
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            # Verify user's answer. Only positive answer let the
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            # script flow to continue. Otherwise, if something
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            # different from positive answer is passed, the script
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            # terminates its execution immediately.
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            if [[ ! ${ANSWER} =~ "^${Y}" ]];then
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                exit
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            fi
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            ;;
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        --as-selection-line )
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            # Create selection based on message.
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            local NAME=''
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            select NAME in ${MESSAGE};do
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                echo $NAME
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                break
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            done
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            ;;
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        --as-response-line )
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            cli_printMessage "--> $MESSAGE" --as-stdout-line
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            ;;
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        --as-request-line )
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            cli_printMessage "${MESSAGE}:\040" --as-notrailingnew-line
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            ;;
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        --as-notrailingnew-line )
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            echo -e -n "${MESSAGE}" | sed -r \
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                -e "s!${TCAR_WORKDIR}/!!g"
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            ;;
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        --as-stderr-line )
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            echo "$MESSAGE" | sed -r \
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                -e "s!${TCAR_WORKDIR}/!!g" 1>&2
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            ;;
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    esac
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    # Verify verbose option. The verbose option controls whether
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    # messages are printed or not.
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    if [[ "$FLAG_QUIET" == 'true' ]];then
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        return
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    fi
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    # Print messages that will be printed only when the FLAG_QUIET
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    # variable is provided to centos-art.sh script.
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    case "$FORMAT" in
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        --as-separator-line )
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            # Build the separator line.
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            MESSAGE=$(\
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                until [[ $MESSAGE_WIDTH -eq 0 ]];do
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                    echo -n "$(echo $MESSAGE | sed -r 's!(.).*!\1!')"
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                    MESSAGE_WIDTH=$(($MESSAGE_WIDTH - 1))
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                done)
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            # Draw the separator line.
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            echo "$MESSAGE"
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            ;;
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        --as-banner-line )
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            cli_printMessage '-' --as-separator-line
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            cli_printMessage "$MESSAGE" --as-stdout-line
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            cli_printMessage '-' --as-separator-line
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            ;;
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        --as-processing-line )
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            cli_printMessage "`gettext "Processing"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-cropping-line )
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            cli_printMessage "`gettext "Cropping from"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-tuningup-line )
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            cli_printMessage "`gettext "Tuning-up"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-checking-line )
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            cli_printMessage "`gettext "Checking"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-combining-line )
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            cli_printMessage "`gettext "Combining"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-creating-line | --as-updating-line )
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            if [[ -a "$MESSAGE" ]];then
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                cli_printMessage "`gettext "Updating"`: $MESSAGE" --as-stdout-line
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            else
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                cli_printMessage "`gettext "Creating"`: $MESSAGE" --as-stdout-line
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            fi
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            ;;
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        --as-deleting-line )
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            cli_printMessage "`gettext "Deleting"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-reading-line )
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            cli_printMessage "`gettext "Reading"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-savedas-line )
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            cli_printMessage "`gettext "Saved as"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-linkto-line )
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            cli_printMessage "`gettext "Linked to"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-movedto-line )
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            cli_printMessage "`gettext "Moved to"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-translation-line )
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            cli_printMessage "`gettext "Translation"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-translating-line )
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            cli_printMessage "`gettext "Translating"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-validating-line )
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            cli_printMessage "`gettext "Validating"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-template-line )
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            cli_printMessage "`gettext "Template"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-configuration-line )
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            cli_printMessage "`gettext "Configuration"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-palette-line )
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            cli_printMessage "`gettext "Palette"`: $MESSAGE" --as-stdout-line
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            ;;
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        --as-inkscape-line )
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            cli_printMessage "$MESSAGE" --as-stdout-line
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            ;;
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    esac
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}