fixed bash shell

safebash.sh

#!/bin/sh
ls /usr/local/tomcat/logs/logs.log.2013-*-*.gz > ./targetlist.txt
exec 0<./targetlist.txt
count=0
while read line; do
  temp=`zgrep -c -E -i -w 'target1|target2' $line`
  count=$(($count + $temp))
  echo "$count"
done
echo "$count"