October 2000
Intermediate to advanced
1152 pages
26h 41m
English
In This Chapter
UNIX and Linux shells support a wide range of commands that can be combined, in the form of scripts, into reusable programs. Command scripts for shell programs (and utilities such as gawk and Perl) are all the programming that many users need in order to customize their computing environments.
Script languages have several shortcomings, however. To begin with, the commands a user types into a script are read and evaluated only when the script is being executed. Interpreted languages are flexible and easy ...
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