Easy to extend one-liner for cron scripts that automate filesystem checking

( di $TOFSCK -h ; /bin/umount $TOFSCK ; time /sbin/e2fsck -y -f -v $FSCKDEV ; /bin/mount $TOFSCK ) |& /bin/mail $MAILTO -s "$MAILSUB"
This one-liner is for cron jobs that need to provide some basic information about a filesystem and the time it takes to complete the operation. You can swap out the di command for df or du if that's your thing. The |& redirections the stderr and stdout to the mail command. How to configure the variables. TOFSCK=/path/to/mount FSCKDEV=/dev/path/device or FSCKDEV=`grep $TOFSCK /proc/mounts | cut -f1 -d" "` MAILSUB="weekly file system check $TOFSCK "
Sample Output
Filesystem         Mount               Size     Used    Avail %Used fs Type
/dev/mapper/Archiv /srv/Music        108.3G    83.2G    21.8G  80%  ext3   
e2fsck 1.41.12 (17-May-2010)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

   24809 inodes used (0.34%)
    1835 non-contiguous files (7.4%)
      15 non-contiguous directories (0.1%)
         # of inodes with ind/dind/tind blocks: 9273/5718/0
22256269 blocks used (77.18%)
       0 bad blocks
       1 large file

   20110 regular files
    4690 directories
       0 character device files
       0 block device files
       0 fifos
       0 links
       0 symbolic links (0 fast symbolic links)
       0 sockets
--------
   24800 files

real	3m31.842s
user	0m13.897s
sys	0m8.977s

What Others Think

Excellent Command...
programmingzeal · 477 weeks and 3 days ago
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seofox · 34 weeks and 6 days ago
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seofox · 34 weeks ago
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rahimhh21 · 5 weeks and 1 day ago

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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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