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Full Discussion: awk last n lines of file
Top Forums Shell Programming and Scripting awk last n lines of file Post 302906583 by Don Cragun on Friday 20th of June 2014 09:46:06 PM
Old 06-20-2014
I know that you said that your version of uptime only produces up time data in two formats: xx mins and h:mm, but to be sure that you're getting what you think you're getting, please run the command:
Code:
while sleep 58
do        uptime >> uptimelog.txt
done &

for a little over an hour. The goal here is to be sure that your version of uptime doesn't use a different format (such as xx hours instead of xx:00) at integral numbers of hours since the system was rebooted.

If there are special cases like this, you'll have to make adjustments to the script I provided to handle them.
 

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uptime(1)							   User Commands							 uptime(1)

NAME
uptime - show how long the system has been up SYNOPSIS
uptime DESCRIPTION
The uptime command prints the current time, the length of time the system has been up, and the average number of jobs in the run queue over the last 1, 5 and 15 minutes. It is, essentially, the first line of a w(1) command. EXAMPLES
Below is an example of the output uptime provides: example% uptime 10:47am up 27 day(s), 50 mins, 1 user, load average: 0.18, 0.26, 0.20 ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
w(1), who(1), whodo(1M), attributes(5) NOTES
who -b gives the time the system was last booted. SunOS 5.10 18 Mar 1994 uptime(1)
All times are GMT -4. The time now is 12:41 AM.
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