创建日期目录shell脚本分享

#!/bin/sh
create_dir()
{
if test -z "$2"
then
  next_month=`date -d next-month +%Y%m` #get next month 参数2为空则创建下个月
else 
  next_month=$2  #根据输入参数2 创建
fi
year=`echo ${next_month}|cut -c1-4`
month=`echo ${next_month}|cut -c5-6`

rman_path_root=$1 #/u01/rman_backup

l_cal=`cal $month $year`

l_days=`echo $l_cal|linuxjishu/13830.html target=_blank class=infotextkey>awk '{print $NF}'`

l_zero=0

leng=`expr length $month`

if [ $leng -lt 2 ]
  then
    month=${l_zero}${month}
  else
    month=${month}
fi

year_path=${rman_path_root}/${year}

month_path=${year_path}/${year}${month}

if ! [ -d ${year_path} ]
then
          mkdir -p ${year_path}
fi

if ! [ -d ${month_path} ]
then
          mkdir -p ${month_path}
fi

for((i=1;i<=$l_days;i++));
do
  leng=`expr length $i`
  if [ $leng -lt 2 ]
  then
    l_run_day_path=${month_path}/${year}${month}${l_zero}${i}
  else
    l_run_day_path=${month_path}/${year}${month}${i}
  fi

  ##create dir
  if ! [ -d ${l_run_day_path} ]
  then
    mkdir -p ${l_run_day_path}
  fi

  echo $l_run_day_path

done
}

create_dir /u01/rman_backup
create_dir /u01/rman_backup/level_0_bak
create_dir /u01/rman_backup/level_1_bak
create_dir /u01/rman_backup/level_2_bak