October 2000
Intermediate to advanced
432 pages
9h 9m
English
book
GNU Autoconf, Automake, and Libtool
by Gary V. Vaughan, Ben Elliston, Tom Tromey, Ian Lance Taylor
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21.2. Implementation
By their very nature, a sizable part of the functionality of shell scripts is provided by the many utility programs that they routinely call to perform important subsidiary tasks. Addressing the portability of the script involves issues of portability in the host operating system environment and portability of the utility programs as well as the portability of the shell implementation itself.
This section discusses differences between shell implementations to which you must cater when writing a portable script. It is broken into several subsections, each covering a single aspect of shell programming that needs to be approached carefully to avoid pitfalls with unexpected behavior in some shell implementations. The following ...
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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.