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Full Discussion: Size calculation MB to GB
Top Forums Shell Programming and Scripting Size calculation MB to GB Post 302768623 by Daniel Gate on Saturday 9th of February 2013 03:22:34 AM
Old 02-09-2013
Size calculation MB to GB
PHP Code:
pcmpath query device |awk 'BEGIN{print "TYPE\tDEVICE NAME\tSERIAL\tSIZE\tHOSTNAME"}
 /DEVICE/ {
            disk=$5
            printf "%s\t", $7
            printf "%s\t", disk
            getline; printf "%s\t", substr($2, length($2)-3)
            ("bootinfo -s " disk) | getline; printf "%s\t",$0; sum+=$0
            printf "%s\n", hostname
 }      END {print "TOTAL SIZE:", sum}' hostname=`uname -n` 
I have this query working, but it returns SIZE in MB. I want the SIZE output in GB. I tried
HTML Code:
("bootinfo -s " disk)/1024
, but not working.

Please advise.
 

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LEARN ABOUT REDHAT

df

DF(1)									FSF								     DF(1)

NAME

       df - report filesystem disk space usage

SYNOPSIS

       df [OPTION]... [FILE]...

DESCRIPTION

       This  manual  page  documents the GNU version of df.  df displays the amount of disk space available on the filesystem containing each file
       name argument.  If no file name is given, the space available on all currently mounted filesystems is shown.  Disk space  is  shown  in	1K
       blocks by default, unless the environment variable POSIXLY_CORRECT is set, in which case 512-byte blocks are used.

       If  an  argument  is  the  absolute  file  name of a disk device node containing a mounted filesystem, df shows the space available on that
       filesystem rather than on the filesystem containing the device node (which is always the root filesystem).  This version of df cannot  show
       the  space  available  on  unmounted filesystems, because on most kinds of systems doing so requires very nonportable intimate knowledge of
       filesystem structures.

OPTIONS

       Show information about the filesystem on which each FILE resides, or all filesystems by default.

       Mandatory arguments to long options are mandatory for short options too.

       -a, --all
	      include filesystems having 0 blocks

       -B, --block-size=SIZE use SIZE-byte blocks

       -h, --human-readable
	      print sizes in human readable format (e.g., 1K 234M 2G)

       -H, --si
	      likewise, but use powers of 1000 not 1024

       -i, --inodes
	      list inode information instead of block usage

       -k     like --block-size=1K

       -l, --local
	      limit listing to local filesystems

       --no-sync
	      do not invoke sync before getting usage info (default)

       -P, --portability
	      use the POSIX output format

       --sync invoke sync before getting usage info

       -t, --type=TYPE
	      limit listing to filesystems of type TYPE

       -T, --print-type
	      print filesystem type

       -x, --exclude-type=TYPE
	      limit listing to filesystems not of type TYPE

       -v     (ignored)

       --help display this help and exit

       --version
	      output version information and exit

       SIZE may be (or may be an integer optionally followed by) one of following: kB 1000, K 1024, MB 1,000,000, M 1,048,576, and so on for G, T,
       P, E, Z, Y.

AUTHOR

       Written by Torbjorn Granlund, David MacKenzie, Larry McVoy, and Paul Eggert.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       The full documentation for df is maintained as a Texinfo manual.  If the info and df programs are properly installed at your site, the com-
       mand

	      info df

       should give you access to the complete manual.

df (coreutils) 4.5.3						   February 2003							     DF(1)
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