. ~/.bash_profile
#用于删除上一个月的日志
#后来发现LINYX上取上一个月直接可以date -d "-1 month" +%m悲剧
export LANG=en_US
#定义清理日志路径
CLEAR_PATH="/oracle/app/diag/rdbms/dwh/dwh/trace/"
MONTH=`date +"%m"`
#echo $MONTH
if [ "$MONTH" -eq "01" ]||[ "$MONTH" -eq "1" ] ;then
LMONTH=12
echo $LMONTH
else
LMONTH_TMP=`expr $MONTH - 1`
echo $LMONTH_TMP > tmp.txt
num=`awk '{print length($0)}' tmp.txt`
if test "$num" -eq "1" ;
then
LMONTH=`echo "0"$LMONTH_TMP`
echo $LMONTH
else
LMONTH=$LMONTH_TMP
echo $LMONTH
fi
fi
statistics()
{
if test "$LMONTH" = "01" ;then
LMONTH=Jan
elif [ "$LMONTH" = "02" ];then
LMONTH=Feb
elif [ "$LMONTH" = "03" ];then
LMONTH=Mar
elif [ "$LMONTH" = "04" ];then
LMONTH=Apr
elif [ "$LMONTH" = "05" ];then
LMONTH=May
elif [