function getfile(){
file1=$1
ls -lt|grep -m1 ${file1}-|awk '{print $NF}'
}
function jsonhead(){
file1=$1
tail -1 ${file1}|python -m json.tool|head -120
}
function altadiff(){
Usage : altadiff 195 196
logdir="/export/webapps/php.com/logs/online/$(date -I|tr -d '-')"
pushd ${logdir}
file1=$(getfile $1)
file2=$(getfile $2)
diff -B -y <(jsonhead ${file1}) <(jsonhead ${file2})
--suppress-common-lines
}
