Blame Scripts/Bash/Functions/cli_checkFiles.sh

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#!/bin/bash
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#
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# cli_checkFiles.sh -- This function standardizes file verifications
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# inside centos-art.sh script.  If file verification fails in anyway,
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# centos-art.sh script complains about it and ends up script
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# execution.
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#
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# Usage:
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#
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# cli_checkFiles FILE [TYPE]
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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_checkFiles {
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    # Get absolute path to file/directory.
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    local FILE="$1"
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    # Get verification type.
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    local TYPE="$2"
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    # Initialize message output.
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    local MESSAGE=''
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    # Check number of paramaters passed to cli_checkFiles function. At
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    # least one argument should be passed.
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    if [[ $# -lt 1 ]];then
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        cli_printMessage "cli_checkFiles: `gettext "You need to provide one argument at least."`" 'AsErrorLine'
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        cli_printMessage "$(caller)" "AsToKnowMoreLine"
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    fi
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    # Check value passed as file to cli_checkFiles function. The file
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    # value cannot be empty.
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    if [[ $FILE == '' ]];then
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        cli_printMessage "cli_checkFiles: `gettext "The first argument cannot be empty."`" 'AsErrorLine'
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        cli_printMessage "$(caller)" "AsToKnowMoreLine"
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    fi
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    # Perform file verification using FILE and TYPE variables.
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    case $TYPE in
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        d | directory )
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            # File exists and is a directory
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            if [[ ! -d $FILE ]];then
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                cli_printMessage "`eval_gettext "The directory \\\"\\\$FILE\\\" doesn't exist."`"
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                cli_printMessage "`gettext "Do you want to create it now?"`" 'AsYesOrNoRequestLine'
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                mkdir -p $FILE
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            fi
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            ;;
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        f | regular-file )
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            # File exists and is a regular file.
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            if [[ ! -f $FILE ]];then
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                MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not a regular file."`"
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            fi
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            ;;
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        h | symbolic-link )
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            # File exists and is a symbolic link.
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            if [[ ! -h $FILE ]];then
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                MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not a symbolic link."`"
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            fi
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            ;;
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        x | execution )
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            # To exist, file should be executable.
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            if [[ ! -x $FILE ]];then
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                MESSAGE="`eval_gettext "The file \\\"\\\$FILE\\\" is not executable."`"
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            fi
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            ;;
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        fh )
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            # To exist, file should be a regular file or a symbolic link.
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            if [[ ! -f $FILE ]];then
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                if [[ ! -h $FILE ]];then
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                    MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" doesn't exist."`"
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                fi
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            fi
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            ;;
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        fd )
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            # To exist, file should be a regular file or a directory.
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            if [[ ! -f $FILE ]];then
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                if [[ ! -d $FILE ]];then
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                    MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" doesn't exist."`"
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                fi
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            fi
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            ;;
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        * )
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            # File exists.
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            if [[ ! -a $FILE ]];then
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                MESSAGE="`eval_gettext "The path \\\"\\\$FILE\\\" doesn't exist."`"
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            fi
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    esac
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    # If file verification fails in anyway, output message information
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    # and end up script execution. Otherwise, continue with script
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    # normal flow.
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    if [[ "$MESSAGE" != '' ]];then
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        cli_printMessage "$MESSAGE" "AsErrorLine"
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        cli_printMessage "$(caller)" "AsToKnowMoreLine"
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    fi
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}