Zip for old log files manually.
#!/bin/bash
param1=$1
param2=$2
user="/backup/log/*"
for i in $user;do
gun="$param2"
ay="$param1"
if [ -d "$i/2014/$ay/$gun/" ]; then
cd $i/2014/$ay/
zip -r $gun.zip $gun
rm -rf $gun
fi
done