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Full Discussion: Counter function problems...
Top Forums Shell Programming and Scripting Counter function problems... Post 302170819 by LinuxRacr on Tuesday 26th of February 2008 08:58:32 PM
Old 02-26-2008
I fixed it by combining two functions into one:

Code:
function adder_func
         {
         TYPE=$1
         if [ -s sizes.$TYPE ]; then
            let sum=0
            for i in `cat sizes.$TYPE`
            do
             ((i=$i-5104))
             ((new_sum=$i + $sum))
             sum=$new_sum
            done
            ((meg_sum=$new_sum/1024))
            ((gig_sum=$meg_sum/1024))
            ((last_sum=$gig_sum*$NUMBER))
            echo ${last_sum}G
           else
            break
          fi
         }

## Call the adder_func function and output to value.txt to get the max size for your lvol.
adder_func size > value.txt

Now everything will be GigaByte readable, instead of in KBytes.

And now the output of value.txt:
2495G

And the effect:

Are you ready to create a lvol in fakedg?
Enter 'y' for Yes or 'n' for No :y

Enter the name of your lvol.

Lvol name :fakelvol

Enter the size of your lvol.
The maximum size is: 2495G

Lvol size :
 

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LEARN ABOUT REDHAT

sum

sum(n)									sum								    sum(n)

NAME

       sum - calculate a sum(1) compatible checksum

SYNOPSIS

       package require Tcl 8.2

       package require sum ?1.0?

       ::crc::sum ?-format format? message

       ::crc::sum ?-format format? -filename file

DESCRIPTION

       This  package  provides	a Tcl-only implementation of the sum(1) command which calculates a 16 bit checksum value from the input data.  The
       BSD sum algorithm is used by default but the SysV algorithm is also available.

COMMANDS

       ::crc::sum ?-format format? message

       ::crc::sum ?-format format? -filename file
	      The command takes string data or a file name and returns a checksum value calculated using the sum(1) algorithm. The result is  for-
	      matted using the format(n) specifier provided or as an unsigned integer (%u) by default.

OPTIONS

       -filename name
	      Return a checksum for the file contents instead of for parameter data.

       -format string
	      Return the checksum using an alternative format template.

EXAMPLES

       % crc::sum "Hello, World!"
       37287

       % crc::sum -format 0x%X "Hello, World!"
       0x91A7

       % crc::sum -file sum.tcl
       13392

SEE ALSO

       sum(1), cksum(n), crc32(n)

AUTHORS

       Pat Thoyts

KEYWORDS

       sum, cksum, checksum, crc, crc32, cyclic redundancy check, data integrity, security

crc									1.0								    sum(n)
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