May 2017
Beginner
552 pages
28h 47m
English
Content preview from Linux Shell Scripting Cookbook - Third Edition
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Comparisons and tests
Flow control in a program is handled by comparison and test statements. Bash comes with several options to perform tests. We can use if, if else, and logical operators to perform tests and comparison operators to compare data items. There is also a command called test, which performs tests.