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Full Discussion: Replacing data of output file with input
Top Forums Shell Programming and Scripting Replacing data of output file with input Post 302281318 by bhagya2340 on Wednesday 28th of January 2009 03:29:27 PM
Old 01-28-2009
Replacing data of output file with input
Hi,

I have a ksh which peocess and get me data from 3 days...
ie if i process it on jan 28.. it gets data for 25, 26 and 27.... the process run every day and get previous 3 days data...all this data is appened to a file lets call time.out
Now time.out cannot have deplicate data so what i want is when ever the appeneding is done i want look for the date in the file if it matches with the date the data is holding then i want it to be replace with new data

the time.out is like this
Code:
.
.
20090124,00:02:31,00:00:11,2776,00:01:38,00:01:31,00:56:36,108938, 
20090125,00:02:31,00:00:11,2776,00:01:38,00:01:31,00:56:36,108938, 
20090126,00:02:33,00:00:35,8187,00:01:42,00:01:32,02:02:08,321055,

while in the script we have the current data for which the process is running save in CUR_MAINT_DATE..
the way the output file is written is
Code:
 
Read.ksh `basename ${0}` $1 $2 ${CUR_MAINT_DATE} > runtime.out
echo >> time.out; tr -d '\n' < runtime.out >> time.out

The the script runs it initially get data of 25 ... now i want the script to cross check with the time.out file if the data is already present for that date then it have to replace that line with the data in runtime.out.... and so on till it comes to current maintaince date 27 as no data is there for 27 in time.out the script have put it in the time.out

can anyone say me how i can replace the data in output file with data form input
Last edited by bhagya2340; 01-28-2009 at 05:00 PM..
 

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LEARN ABOUT DEBIAN

sysstat

SYSSTAT(5)							Linux User's Manual							SYSSTAT(5)

NAME

       sysstat - sysstat configuration file.

DESCRIPTION

       This  file is read by sa1(8) and sa2(8) shell scripts from the sysstat's set of tools.  It consists of a sequence of shell variable assign-
       ments used to configure sysstat logging.  The variables and their meanings are:

       HISTORY
	      The number of days during which a daily data file or a report should be kept. Data files or reports older than this number  of  days
	      will be removed by the sa2(8) shell script.

       COMPRESSAFTER
	      Number of days after which daily data files are to be compressed, either by gzip or bzip2.

       SADC_OPTIONS
	      Options  that  should be passed to sadc(8).  With these options (see sadc(8) manual page), you can select some additional data which
	      are going to be saved in daily data files.  These options are used only when a new data file is created. They will be  ignored  with
	      an already existing one.

FILES

       /etc/sysstat/sysstat

AUTHOR

       Sebastien Godard (sysstat <at> orange.fr)

SEE ALSO

       sadc(8), sa1(8), sa2(8)

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

Linux								  SEPTEMBER 2010							SYSSTAT(5)
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