shell根据日期实现完全备和增量备份文件

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#!/bin/bash
#Auto Backup linux system Files

SOURCE_DIR=(
    $*
)
TARGET_DIR=/data/backup/
YEAR=`date +%Y`
MONTH=`date +%m`
DAY=`date +%d`
WEEK=`date +%u`
A_NAME=`date +%H%M`
FILES=system_backup.tgz
CODE=$?

if
    [ -z "$*" ];then
    echo -e "\033[32mUsage:\nPlease Enter Your Backup Files or Directories\n-----------------------------\n\nUsage: { $0 /boot /etc}\033[0m"
    exit
fi
#Determine whether the Target Directory exists

if
    [ ! -d $TARGET_DIR/$YEAR/$MONTH/$DAY ];then
    mkdir -p $TARGET_DIR/$YEAR/$MONTH/$DAY
    echo -e "\033[32mThe $TARGET_DIR Created Successfully !\033[0m"
fi

#EXEC Full_Backuo Function Command
Full_Backup()
{
if
    [ "$WEEK" -eq "7" ];then  //判断日期为周日
    rm -rf $TARGET_DIR/zzxtbl
    cd $TARGET_DIR/$YEAR/$MONTH/$DAY;tar -g $TARGET_DIR/zzxtbl -czvf $FILES ${SOURCE_DIR[@]}
    [ "$CODE" == "0" ]&&echo -e "--------------------------\n\033[32mthess Full_Backup System Files Backuo Successfully !\033[0m"
fi

}

#PERform incremental BACKUP function Commad
Add_Backup()
{
if
    [ $WEEK -ne "7" ];then  
    cd $TARGET_DIR/$YEAR/$MONTH/$DAY;tar -g $TARGET_DIR/zzxtbl -czvf $A_NAME$FILES ${SOURCE_DIR[@]}
    [ "$CODE" == "0" ]&&echo -e "--------------------------\n\033[32mthes Add_Backup systemFile $TARGET_DIR/$YEAR/$MONTH/$DAY/${YEAR}_$A_NAME$FILES Backup Successfully !\033[0m"

fi

}
sleep 3
Full_Backup;Add_Backup



显示效果
周一到周六 增量备份


周七 全量备份




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