Unrar Help

#!/bin/bash
defTarget="/site/unrarred"

if [ "$1" == "" ]; then
  echo "Usage: $0 DIRNAME [TARGET] - default is /unrarred dir"
  exit 1
fi

if [ "$2" != "" ]; then
  defTarget="$2"
fi

if [ -d "$defTarget" ]; then
  echo -n ""
else
  echo "Error: TARGET $defTarget is invalid!"
fi

cds=`ls -1 $1|grep -iE "^cd[1-9]"`
cds="$cds ."

for cdDir in $cds; do
  if [ -d "$1/$cdDir" ]; then
    firstFile=`ls -1 $1/$cdDir|grep -iE "(part01|rar|001|part1)"|head -1`
    if [ "$firstFile" != "" ]; then
#      if [ -e $defTarget/$1 ]; then
	if [ -e $defTarget ]; then
        echo -n ""
      else
#        mkDir=`mkdir $defTarget/$1`
	mkDir=`mkdir $defTarget`
      fi
#      copyNfo=`cp $1/*.nfo $defTarget/$1/`
      echo "Started: `date`"
      echo "Unpacking $1/$cdDir/$firstFile to $defTarget"
      release=(`pwd | tr '/' ' '`)
      echo `date +'%a %b %d %H:%M:%S %Y'` RARSTART: ${release[2]} >> /ftp-data/logs/glftpd.log
#      unRar=`unrar e $1/$cdDir/$firstFile $defTarget/$1/`
	unRar=`unrar e -o+ -tsm- $1/$cdDir/$firstFile $defTarget`
      echo `date +'%a %b %d %H:%M:%S %Y'` RARSTOP: ${release[2]} >> /ftp-data/logs/glftpd.log
      echo "Stopped: `date`"
    fi
  fi
done

exit 0