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Full Discussion: updates only
Top Forums Shell Programming and Scripting updates only Post 302280490 by shantanuo on Tuesday 27th of January 2009 04:54:15 AM
Old 01-27-2009
updates only

Hi,
I have a file called Data-today.Txt that is updated every 5 minutes.

# cat '/root/Desktop/window/'`date +%b%Y`'/Data-'`date +%d%m%y`'.Txt' > /root/temp.txt

I want to read it every hour and findout the changes and process only those lines added since the last check.
I tried diff but did not get what I want.

At 9:56 A. M. the file looked:
This is line one
This is line two

At 10:00 A. M. I processed these two lines.


At 10:05 A. M. the original file will look like:
This is line one
This is line two
This is line three

at 11:00 A. M. I want to process only the newly added line i.e.
This is line three

Any help will be appreciated.

Regards,
Shantanu Oak
 

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sulog(4)							   File Formats 							  sulog(4)

NAME
sulog - su command log file SYNOPSIS
/var/adm/sulog DESCRIPTION
The sulog file is a record of all attempts by users on the system to execute the su(1M) command. Each time su(1M) is executed, an entry is added to the sulog file. Each entry in the sulog file is a single line of the form: SU date time result port user-newuser where date The month and date su(1M) was executed. date is displayed in the form mm/dd where mm is the month number and dd is the day number in the month. time The time su(1M) was executed. time is displayed in the form HH/MM where HH is the hour number (24 hour system) and MM is the minute number. result The result of the su(1M) command. A ` + ' sign is displayed in this field if the su attempt was successful; otherwise a ` - ' sign is displayed. port The name of the terminal device from which su(1M) was executed. user The user id of the user executing the su(1M) command. newuser The user id being switched to with su(1M). EXAMPLES
Example 1: A sample sulog file. Here is a sample sulog file: SU 02/25 09:29 + console root-sys SU 02/25 09:32 + pts/3 user1-root SU 03/02 08:03 + pts/5 user1-root SU 03/03 08:19 + pts/5 user1-root SU 03/09 14:24 - pts/5 guest3-root SU 03/09 14:24 - pts/5 guest3-root SU 03/14 08:31 + pts/4 user1-root FILES
/var/adm/sulog su log file /etc/default/su contains the default location of sulog SEE ALSO
su(1M) SunOS 5.10 6 Jun 1994 sulog(4)
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