find /var/lib/edumate/backup/archive_logs/db2inst1/SAAS
   -newermt 20130310 -not -newermt 20130314 -type f -print0
   | xargs -0 tar -cvzf /tmp/saas_archive_logs.tar.gz

find /var/lib/edumate/backup/archive_logs/db2inst1/SAAS
   -newermt 20130310 -not -newermt 20130314 -type f -print0
   | cpio --create --null  --format=ustar
   | gzip > /tmp/saas_archive_logs.tar.gz

find . -mtime -5d2h3m10s -mtime +4d0h15m20s -print0 | xargs -0 tar cjvf mytar.tar.bz2