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interval based count

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Old 12-03-2011
interval based count
Hi,

I have a file with 4 million rows. what i am trying to achieve is for every 1000 interval count the number of rows and display it

i/p

Code:
12
200
400
750
1000
1500
1800
2200
2345
2600
2896
3020
3400
3689
3977

o/p

Code:
1-1000  5
1001-2000   2
2001-3000   4
3001-4000   4

Thanks,
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LEARN ABOUT CENTOS

sa1

SA1(8)								Linux User's Manual							    SA1(8)

NAME

       sa1 - Collect and store binary data in the system activity daily data file.

SYNOPSIS

       /usr/lib64/sa/sa1 [ --boot | interval count ]

DESCRIPTION

       The  sa1 command is a shell procedure variant of the sadc command and handles all of the flags and parameters of that command. The sa1 com-
       mand collects and stores binary data in the /var/log/sa/sadd file, where the dd parameter indicates the current day. The interval and count
       parameters specify that the record should be written count times at interval seconds. If no arguments are given to sa1 then a single record
       is written.

       The sa1 command is designed to be started automatically by the cron command.

OPTIONS

       --boot This option tells sa1 that the sadc command should be called without specifying the interval and count parameters in order to insert
	      a dummy record, marking the time when the counters restarts from 0.

EXAMPLE

       To collect data (including those from disks) every 10 minutes, place the following entry in your root crontab file:

       0,10,20,30,40,50 * * * * /usr/lib64/sa/sa1 1 1 -S DISK

FILES

       /var/log/sa/sadd
	      Indicate the daily data file, where the dd parameter is a number representing the day of the month.

AUTHOR

       Sebastien Godard (sysstat <at> orange.fr)

SEE ALSO

       sar(1), sadc(8), sa2(8), sadf(1), sysstat(5)

       http://pagesperso-orange.fr/sebastien.godard/

Linux								   FEBRUARY 2012							    SA1(8)