July 2017
Beginner
208 pages
3h 7m
English
Content preview from Linux Shell Scripting BootcampBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The sleep command
I showed the sleep command earlier, let's look at that in much more detail. In general, the sleep command is used to introduce a delay in the script. For example, in the previous script if I had not used sleep the output would have scrolled off too quickly to see what was going on.
The sleep command takes a parameter indicating how long to make the delay. For example, sleep 1 means to introduce a delay of one second. Here are a few examples:
sleep 1 # sleep 1 second (the default is seconds) sleep 1s # sleep 1 second sleep 1m # sleep 1 minute sleep 1h # sleep 1 hour sleep 1d # sleep 1 day
The sleep command actually has a bit more capability that what is shown here. For more information, please consult the man page (man sleep).
Here's ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.