Help me streamline this counting part of my script. Post: 302170461

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Top Forums Shell Programming and Scripting Help me streamline this counting part of my script. Post 302170461 by LinuxRacr on Monday 25th of February 2008 04:38:19 PM

02-25-2008

Registered User

Help me streamline this counting part of my script.

Ok, so this is a small part of a script I wrote to build disk groups using VXVM. The only problem is that I am limited to a count of 8 maximum. If I want more, I will have to add more lines of "if" statements. How can I accomplish the same thing, in a few lines, but not be limited in the max count?

In this case, $NUMBER = 8

Code:

echo "There are $TOTAL2 $DISKTYPE disks of this size available."
echo
echo "How many do you want to use(8 disks max!)"
print -n "to create your diskgroup? :"
read NUMBER


if [ $NUMBER -eq 1 ]
 then
  continue
# exit
fi
if [ $NUMBER -eq 2 ]
 then
alphabet="02"
count=0
fi
if [ $NUMBER -eq 3 ]
 then
alphabet="02 03"
count=0
fi
if [ $NUMBER -eq 4 ]
 then
alphabet="02 03 04"
count=0
fi
if [ $NUMBER -eq 5 ]
 then
alphabet="02 03 04 05"
count=0
fi
if [ $NUMBER -eq 6 ]
 then
alphabet="02 03 04 05 06"
count=0
fi
if [ $NUMBER -eq 7 ]
 then
alphabet="02 03 04 05 06 07"
count=0
fi
if [ $NUMBER -eq 8 ]
 then
alphabet="02 03 04 05 06 07 08"
count=0
fi
for letter in $alphabet

do
    count=`expr $count + 1`
    echo "$letter"
done > count.txt

Here is the output of count.txt:

02
03
04
05
06
07
08

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LEARN ABOUT DEBIAN

ptpd

ptpd(8) 						  Precision Time Protocol daemon						   ptpd(8)

NAME

       ptpd - Precision Time Protocol daemon (1588-2008)

SYNOPSIS

       ptpd [?]  [-c] [-S] [-f FILE] [-R FILE] [-d] [-D] [-x] [-M NUMBER] [-t] [-T ttl] [-a NUMBER,NUMBER] [-w NUMBER] [-b NAME] [-u ADDRESS] [-e]
       [-h] [-l NUMBER,NUMBER] [-o NUMBER] [-i NUMBER] [-n NUMBER] [-y NUMBER] [-m NUMBER] [-g] [-v NUMBER] [-r NUMBER] [-s  NUMBER]  [-p  NUMBER]
       [-q NUMBER]

DESCRIPTION

       Implements the Precision Time Protocol (PTP) Version 2 as defined by the IEEE 1588-2008 standard. PTP was developed to provide very precise
       time coordination of LAN connected computers.

       PTPd is a complete implementation of the IEEE 1588 v2 specification for a standard (ordinary) clock. PTPd has been tested with and is known
       to  work  properly  with other IEEE 1588 implementations. The source code for PTPd is freely available under a BSD-style license. Thanks to
       contributions from users, PTPd is becoming an increasingly portable, interoperable, and stable IEEE 1588 implementation.

       For more information, see http://ptpd.sourceforge.net/

OPTIONS

       -?     display a short help text

       -c     run in command line (non-daemon) mode

       -S     log information to syslog

       -f FILE
	      send output to FILE

       -R FILE
	      record a quality FILE

       -d     display stats

       -D     display stats in .csv format

       -x     do not reset the clock if off by more than one second

       -M NUMBER
	      do not reset the clock if off by more than NUMBER nanoseconds

       -t     do not adjust the system clock

       -T     set multicast TTL for packets.  Defaults to 1.

       -a NUMBER,NUMBER
	      specify clock servo P and I attenuations

       -w NUMBER
	      specify one way delay filter stiffness

       -b NAME
	      bind PTP to network interface NAME

       -u ADDRESS
	      also send uni-cast to ADDRESS

       -e     run in ethernet mode (level2)

       -h     run in End to End mode

       -l NUMBER,NUMBER
	      specify inbound, outbound latency in nsec

       -o NUMBER
	      specify current UTC offset

       -i NUMBER
	      specify PTP domain number

       -n NUMBER
	      specify announce interval in 2^NUMBER sec

       -y NUMBER
	      specify sync interval in 2^NUMBER sec

       -m NUMBER
	      specify max number of foreign master records

       -g     run as slave only

       -v NUMBER
	      specify system clock allen variance

       -r NUMBER
	      specify system clock accuracy

       -s NUMBER
	      specify system clock class

       -p NUMBER
	      specify priority1 attribute

       -q NUMBER
	      specify priority2 attribute

AUTHOR

       Gael Mace <gael_mace@users.sourceforge.net> & Alexandre Van Kempen.

       Steven Kreuzer <skreuzer@freebsd.org>

       George Neville-Neil <gnn@freebsd.org>

       This manual page was written by Gael Mace for any Linux environment project.

version 2.1.0							   October, 2010							   ptpd(8)