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public shellscript v1 · immutable$ export mdno=0$ awk -F ' ' "/^\/dev\/md${mdno}/ { print \$2 }" /etc/dumpdates | sort -r | head -n 1 5$ OLDLEVEL=`awk -F ' ' "/^\/dev\/md${mdno}/ { print \$2 }" /etc/dumpdates | sort -r | head -n 1`$ echo $OLDLEVEL/dev/md0 5 Wed Jun 6 23:00:54 2007$