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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Working with Variables
Two types of variables can be used in shell programming:
Scalar variables
Array variables
Scalar variables can hold only one value at a time. Array variables can hold multiple values. This section explores the use of both types of variables.
Scalar Variables
Scalar variables are defined as follows:
name=value
Here name is the name of the variable, and value is the value that the variable should hold. For example,
FRUIT=peach
defines the variable FRUIT and assigns it the value peach.
 | Scalar variables are often referred to as name-value pairs, because a variable's name and its value can be thought of as a pair. |
Variable ...
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