备份当前日期文件

#!/bin/bash

#一月前
historyTime=$(date "+%Y-%m-%d %H" -d '1 month ago')
echo ${historyTime}
historyTimeStamp=$(date -d "$historyTime" +%s)
echo ${historyTimeStamp}

#一周前
$(date "+%Y-%m-%d %H" -d '7 day ago')

#本月一月一日
date_this_month=`date +%Y%m01`

#一天前
date_today=`date -d '1 day ago' +%Y%m%d`

#一小时前
$(date "+%Y-%m-%d %H" -d '-1 hours')";
// 批量创建多少个用户并设置密码
const SH022 = "" +
	"#!/bin/bash

USER_LIST=$@
USER_FILE=./user.info

for USER in $USER_LIST;do
if ! id $USER &>/dev/null; then
    PASS=$(echo $RANDOM |md5sum |cut -c 1-8)
    useradd $USER
    echo $PASS | passwd --stdin $USER &>/dev/null
    echo "$USER   $PASS" >> $USER_FILE
    echo "$USER User create successful."
else
    echo "$USER User already exists!"
fi
done