Shell scripting skills never go out of style. It's the shell that
unlocks the real potential of Unix. Shell scripting is essential
for Unix users and system administrators-a way to quickly harness
and customize the full power of any Unix system. With shell
scripts, you can combine the fundamental Unix text and file
processing commands to crunch data and automate repetitive tasks.
But beneath this simple promise lies a treacherous ocean of
variations in Unix commands and standards. "Classic Shell
Scripting" is written to help you reliably navigate these tricky
waters.
Writing shell scripts requires more than just a knowledge of the
shell language, it also requires familiarity with the individual
Unix programs: why each one is there, how to use them by
themselves, and in combination with the other programs. The authors
are intimately familiar with the tips and tricks that can be used
to create excellent scripts, as well as the traps that can make
your best effort a bad shell script. With "Classic Shell Scripting"
you'll avoid hours of wasted effort. You'll learn not only write
useful shell scripts, but how to do it properly and portably.
The ability to program and customize the shell quickly,
reliably, and portably to get the best out of any individual system
is an important skill for anyone operating and maintaining Unix or
Linux systems. "Classic Shell Scripting" gives you everything you
need to master these essential skills.
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