TrashFile

TrashFile.sh

#回收站目录
TrashRoot=~/TrashFile
TrashData=$TrashRoot/Trash.data
TrashDir=$TrashRoot/TrashDir

alias RealRm='/bin/rm'

#创建回收站目录
if [ ! -d $TrashRoot ]; then
    mkdir $TrashRoot
    mkdir $TrashDir
    touch $TrashData
fi

realDeleteFile(){
    local args=($@)
    echo "You are trying to delete file(s) WITHOUT TrashFile:"${args[@]}
    echo "It will make the file(s) unrecoverable,and TrashFile will not be able to help you to restore it."
    read -p "Are you sure to delete this file? [y/n]" choice
    if [ $choice != "y" ]; then
        echo "Abort"
        return
    fi
    read -p "Please Check again, Are you sure to delete this file? [y/n]" choice
    if [ $choice != "y" ]; then
        echo "Abort"
        return
    fi
    read -p "Please Check again, Are you sure to donot delete this file? [y/n]" choice
    if [ $choice != "n" ]; then
        echo "Abort"
        return
    fi
    echo "Sure,Wait for 3 seconds"
    sleep 3
    RealRm $@
}

seeTrash(){
    cat $TrashData
}

#删除文件
deleteFile(){
    #获取文件名。不识别参数，只识别文件名
    local args=($@)
    local filePath=${args[${#args[@]}-1]}
    #如果存在不止一个文件，则批量删除
    if [ ${#args[@]} -gt 1 ]; then
        echo "You are deleting multiple files："${args[@]}
        echo "Are you sure to delete these files? [y/n]"
        read choice
        if [ $choice != "y" ]; then
            echo "Abort"
            return
        fi
        for file in ${args[@]}
        do
            deleteSingleFile $file
        done
    elif [ ${#args[@]} -eq 1 ]; then
        deleteSingleFile $filePath
    fi
}

restoreFile(){
    #获取文件名。不识别参数，只识别文件名
    local args=($@)
    local filePath=${args[${#args[@]}-1]}
    #如果存在不止一个文件，则批量删除
    if [ ${#args[@]} -gt 1 ]; then
        echo "You are restoring multiple files："${args[@]}
        echo "Are you sure to restore these files? [y/n]"
        read choice
        if [ $choice != "y" ]; then
            echo "Abort"
            return
        fi
        for file in ${args[@]}
        do
            restoreSingleFile $file
        done
    elif [ ${#args[@]} -eq 1 ]; then
        restoreSingleFile $filePath
    fi
}


deleteSingleFile(){
    #获取文件名。不识别参数，只识别文件名
    local args=($@)
    local filePath=${args[${#args[@]}-1]}
    #获取文件路径
    local fileName=$(basename $filePath)
    #绝对路径
    local fileDir=$(cd "$(dirname "$filePath")";pwd)
    #不存在则返回
    if [ ! -e $filePath ]; then
        echo "No such file"
        return
    fi
    #获取删除时间
    local deleteTime=$(date "+%Y-%m-%d-%H-%M-%S")
    #移动文件

    local TrashFileName="."$deleteTime"_"$fileName
    local TrashFilePath=$fileDir"/"$TrashFileName

    mv $filePath $TrashFilePath".rm"
    #创建软链接
    ln -s $TrashFilePath".rm" $TrashDir"/"$TrashFileName 

    echo $TrashFilePath".rm" >> $TrashData
}

restoreSingleFile(){
    local fileName=$(basename $filePath)
    #如果源文件已存在，则提示用户是否覆盖
    if [ -e $fileName ]; then
        read -p "File already exists, do you want to overwrite it? [y/n]" choice
        if [ $choice != "y" ]; then
            return
        fi
        read -p "Please Check again, do you want to OVERWRITE it? [y/n]" choice
        if [ $choice != "y" ]; then
            return
        fi
        read -p "Do you wanna to NOT backup the file? [y/n]" choice
        if [ $choice != "y" ]; then
            deleteFile $filePath
        fi
    fi
    local grepFiles=$(ls -a | grep "_"$fileName".rm")
    local fileNum=$(echo $grepFiles | wc -w)
    if [ $fileNum -eq 0 ]; then
        echo "No such file in TrashDir"
        return
    elif [ $fileNum -eq 1 ]; then
        local TrashFileName=$(echo $grepFiles | awk '{print $1}')
    else
        echo "More than one file found, please choose one:"
        local i=1
        for file in $grepFiles
        do
            echo $i": "$file
            i=$(($i+1))
        done
        read -p "Please input the number of the file you want to restore:" num
        local TrashFileName=$(echo $grepFiles | awk '{print $'$num'}')
    fi

    local RealFileName=$(echo $TrashFileName | sed 's/^\..*_//' | sed 's/\.rm//')
    echo "Restoring "$TrashFileName" to "$RealFileName
    mv $TrashFileName $RealFileName
    local TrashFileNameWithNoSuffix=$(echo $TrashFileName | sed 's/\.rm//')
    #删除Trash.data中的记录
    sed -i '/'$TrashFileNameWithNoSuffix'/d' $TrashData
    #删除软链接
    RealRm -rf $TrashDir"/"$TrashFileNameWithNoSuffix

}

clearTrashWithTimeLimit(){
    local NowTime=$(date "+%s")
    local timeLimit=$1
    if [ -z $timeLimit ]; then
        timeLimit=$(expr 60 \* 60 \* 24 \* 15)
    fi
    echo "Clearing TrashFile with time limit "$timeLimit" seconds"

    cat $TrashData | while read line
    do
        local trashedFilePath=$(echo $line | awk '{print $1}')
        local trashedFileName=$(basename $trashedFilePath)
        local trashedFileTime=$(echo $trashedFileName | sed 's/^\.\([0-9]*-[0-9]*-[0-9]*-[0-9]*-[0-9]*-[0-9]*\)_.*/\1/' | sed 's/-/ /3' | sed 's/-/:/3' | sed 's/-/:/3')

        local trashedFileTime=$(date -d "$trashedFileTime" "+%s")
        local timeDiff=$(expr $NowTime - $trashedFileTime)

        if [ $timeDiff -gt $timeLimit ]; then
            echo "Deleting "$trashedFilePath
            RealRm -rf $trashedFilePath
            sed -i '/'$trashedFileName'/d' $TrashData
            RealRm -rf $TrashDir"/"$trashedFileName
        fi
    done
    echo "Clearing Done"
}

clearTrash(){
    read -p "Are you sure to clear TrashFile? [y/n]" choice
    if [ $choice != "y" ]; then
        echo "Abort"
        return
    fi
    clearTrashWithTimeLimit 0
    > $TrashData
    RealRm -rf $TrashDir
    mkdir $TrashDir
}

#覆写rm
alias rrm='realDeleteFile'
alias rm='deleteFile'
alias rf='restoreFile'
alias ct='clearTrash'
alias ctl='clearTrashWithTimeLimit'
alias st='seeTrash'

thanks