I want to use the system command "uptime" and then use awk to display
just the text I am interested in:-
Consider the following three lines of input
18:01:04 up 1 min, 0 users, load average: 0.55, 0.28, 0.10
22:14:47 up 1:01, 0 users, load average: 0.21, 0.05, 0.02
17:58:52 up 1 day, 2:34, 0 users, load average: 0.02, 0.02, 0.00
The output for each line should be
1 min
1:01
1 day, 2:34
Of course I only need to send one line at a time to awk, I am
struggling because the number of fields varies.
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