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$ perl -ne '$l=$_ if /received/; END{print $l}' /var/log/rsync.log 2017/04/20 10:50:24 [26050] sent 25 bytes received 326 bytes total s +ize 52165551
perl -ne '$l=$_ if /received/; END{print $l}; ($date) = $1 =~ m/^(\d+ +\/\d+\/\/d+) .*/g ; print $date, " \n" ' /var/log/rsync.log