MKDIR

#!/bin/bash
#
NOWMOUTH=`date-d"today"+"%Y%m"`
BASEDIR=/DBDIR/backup/
LISTDIR=`ls${BASEDIR}|grep${NOWMOUTH}$|wc-l`
if[${LISTDIR}-eq0];then
mkdir-p${BASEDIR}${NOWMOUTH}
[$?-eq0]&&echo"mkdir${BASEDIR}${NOWMOUTH}successfully."&&exit0||(echo"Error..."&&exit2)
elif[${LISTDIR}-eq1];then
ISDIR=`ls${BASEDIR}|grep${NOWMOUTH}`
if[-d${BASEDIR}${ISDIR}];then
echo"TheDirectoryisexist."&&exit0
else
mv${BASEDIR}${NOWMOUTH}${BASEDIR}${NOWMOUTH}.bak
mkdir-p${BASEDIR}${NOWMOUTH}
[$?-eq0]&&echo"mkdir${BASEDIR}${NOWMOUTH}successfully."&&exit0||(echo"Error..."&&exit2)
fi
else
echo"Error.."&&exit3
fi