March 2002
Beginner
504 pages
10h 47m
English
Content preview from Sams Teach Yourself Shell Programming in 24 Hours, Second Edition
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File and Directory Questions
This section looks at some questions about files and directories. These questions include issues with specific commands and examples that illustrate the use of commands to solve particular problems.
How do I determine the absolute pathname of a directory?
Shell scripts that work with directories often need to determine the absolute pathname of a directory to perform the correct operations on these directories.
You can determine the absolute pathname of a directory by using the cd and pwd commands as follows:
ABSPATH=`(cd dir 2> /dev/null && pwd ;)`
Here dir is the name of a directory. This command changes directories to the specified directory, dir, and then displays the full pathname of the directory using the ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.