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Full Discussion: shell script for getting the file size
Top Forums Shell Programming and Scripting shell script for getting the file size Post 302648421 by harimhkr on Tuesday 29th of May 2012 11:32:57 PM
Old 05-30-2012
shell script for getting the file size
Hi

can some one please help me how i can get the output i require:

My text file "sample.txt" contains the text like below

Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_fedora-lv_root
15G 2.6G 12G 19% /hari
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_fedora-lv_root
15G 2.6G 12G 19% /abc

Now if i do ---- grep hari sample.txt it returns me --- 15G 2.6G 12G 19% /hari

what parameters should i use to get only the 15G (Infact the size only )
 

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LEARN ABOUT CENTOS

cache_dump

CACHE_DUMP(8)						      System Manager's Manual						     CACHE_DUMP(8)

NAME

       cache_dump - dump cache metadata from device or file to standard output

SYNOPSIS

       cache_dump [options] {device|file}

DESCRIPTION

       cache_dump  dumps  binary  cache  metadata created by the device-mapper cache target on a device or file to standard output for analysis or
       postprocessing in XML format.  XML formated metadata can be fed into cache_restore (see cache_restore(8)) in order to put it  back  onto  a
       metadata device (to process by the device-mapper target) or file.

       -r, --repair
       Repair the metadata whilst dumping it.

       -h, --help
       Print help and exit.

       -V, --version
       Output version information and exit.

EXAMPLES

       Dumps the cache metadata on logical volume /dev/vg/metadata to standard output in XML format:

       cache_dump /dev/vg/metadata

EXAMPLES

       Dumps the cache metadata on logical volume /dev/vg/metadata whilst repairing it to standard output in XML format:

       cache_dump --repair /dev/vg/metadata

DIAGNOSTICS

       cache_dump returns an exit code of 0 for success or 1 for error.

SEE ALSO

       cache_check(8) cache_repair(8) cache_restore(8)

AUTHOR

       Joe Thornber <ejt@redhat.com>
       Heinz Mauelshagen <HeinzM@RedHat.com>

Red Hat, Inc.						      Thin Provisioning Tools						     CACHE_DUMP(8)
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