shell脚本问题

#!/bin/bash
DIR="/data/"
a=`seq 1 5`
ip='192.168.1.'
ADMIN="admin@localhost.com"

for i in $a
do
scp -r -v $DIR  root@ ${ip}${i}:$DIR >>/root/scp.log 2>&1
if [ $? -eq ]
    cat /root/scp.log|awk '{print "backup files: $1"}'
else
   echo 'error' |mail -s "scp file: ${ip}${i}:$DIR is error!" $ADMIN
   exit 5
fi
done